Backbone State Park
Iowa's oldest state park features a narrow, steep-sided ridge of dolomite called "The Backbone" that you can hike along with drop-offs on both sides.
Regional outdoor-learning catalog
The catalog includes 80 places across 8 states or territories in this region. Families can investigate Great Lakes shorelines, dunes, forests, river systems, and regional history through park-specific observations, discussion, field notes, and shared trip planning.
Plan from the managing agency: catalog descriptions support learning, not live visitor logistics. Check current closures, access, reservations, weather, wildlife rules, and permitted routes before every visit.
Iowa's oldest state park features a narrow, steep-sided ridge of dolomite called "The Backbone" that you can hike along with drop-offs on both sides.
Over 200 ancient earthen mounds, many shaped like bears and birds, sit on bluffs high above the Mississippi River in one of America's most sacred places.
A Polk County park on Saylorville Lake north of Des Moines with a bison herd, elk, a nature center, and trails through forests and prairies.
A hidden canyon south of Boone with sandstone ledges, a winding creek, and one of the most beautiful spots in central Iowa.
Rolling hills made of wind-deposited silt rise along the Missouri River, forming a landscape found only here and in China, with rare prairies on the steep slopes.
Iowa's most popular caving park with more caves than any other state park, including a massive natural bridge and caves you can walk through with a flashlight.
Dramatic bluffs above the Mississippi River near Dubuque with old lead mine shafts, prairies, and the grave of Julien Dubuque, the first European to settle in Iowa.
A massive tallgrass prairie reconstruction near Des Moines where bison and elk roam free and you can see what Iowa looked like before farming.
Iowa's most scenic overlook, with 500-foot bluffs towering over the confluence of the Wisconsin and Mississippi Rivers and stunning views for miles.
A hidden gem along the Mississippi River with sandstone canyons, a natural rock bridge called Steamboat Rock, and Iowa's oldest operating gristmill.
An ancient cypress swamp in southern Illinois that feels like Louisiana, with 1,000-year-old bald cypress trees and a unique wetland ecosystem.
Amazing sandstone rock formations with names like Camel Rock and Devil's Smokestack rise from the forest in the Shawnee National Forest.
Massive sandstone blocks create "streets" that look like a giant's city, with rock climbing, nature trails, and a beautiful CCC-built lodge.
The only remaining beach ridge shoreline in Illinois, with sand dunes, marshes, and a six-mile Lake Michigan beach north of Chicago.
A peaceful garden on the shore of Lake Springfield designed by Jens Jensen, using only plants native to the three states where Abraham Lincoln lived.
A hidden gem next to Starved Rock with moss-covered canyons, waterfalls, and a creek you can walk along surrounded by towering sandstone walls.
A 46-acre nature oasis on Chicago's northwest side with trails through wetlands, prairies, savannas, and woodlands, perfect for kids to explore nature in the city.
Towering limestone bluffs above the confluence of the Illinois and Mississippi Rivers, with a grand CCC-built lodge and amazing fall color.
Eighteen canyons carved by glacial meltwater create a landscape of waterfalls, sandstone bluffs, and lush forests along the Illinois River.
A forest preserve that completely encircles Argonne National Laboratory, with a waterfall, prairie restorations, and a 9.5-mile loop trail near Chicago.
Indiana's largest state park is a rolling landscape of forested hills that becomes a sea of gold and crimson during fall, earning the nickname "Little Smokies."
Nine connected kettle lakes created by glaciers make this park a paddling paradise where you can canoe from lake to lake through narrow channels.
A rugged park along the Ohio River with deep canyons, four waterfalls, and fossils from an ancient sea embedded in the rock walls.
One of the largest city parks in the United States, with a big reservoir, an Earth Discovery Center, and trails through forests and wetlands in Indianapolis.
Walk on a 390-million-year-old Devonian fossil bed right in the Ohio River, one of the largest exposed fossil beds in the world.
A beautiful forested park near Indianapolis on the site of a former military base, with trails through old-growth trees and along Fall Creek.
Towering sand dunes along Lake Michigan's southern shore create a surprising beach landscape with diverse habitats, from bogs to prairies to forests.
Indiana's first state park has a waterfall, limestone canyon, caves, and a creek that carved a beautiful gorge through ancient rock.
A restored 1800s pioneer village with a working gristmill, limestone caves, and a memorial to astronaut Virgil "Gus" Grissom who grew up nearby.
A park of deep sandstone canyons, creek walks, and old-growth forest where you wade through narrow gorges and climb over rocky ledges.
A 982-acre island park in the Detroit River with an aquarium, conservatory, and amazing views of both the Detroit and Windsor skylines.
Home to the largest remaining stand of old-growth white pine in the Lower Peninsula, with a logging museum showing how Michigan's great forests were harvested.
A popular Lake Michigan beach park with a famous red lighthouse, warm shallow water, and some of the most spectacular sunsets in Michigan.
A sandy paradise between Lake Michigan and Hamlin Lake with towering dunes, a historic lighthouse, and miles of beach.
Colorful sandstone cliffs rise out of Lake Superior with natural arches, sea caves, waterfalls, and beaches with stunning rock formations.
Michigan's largest state park has old-growth forests, the stunning Lake of the Clouds, and the rugged feel of real wilderness in the Upper Peninsula.
Massive sand dunes tower 450 feet above Lake Michigan, with crystal-clear water, ghost forests, and two wilderness islands to explore.
A large metro park north of Detroit with a lake for swimming and paddling, plus trails that wind through forests, wetlands, and prairies.
Home to one of the largest waterfalls east of the Mississippi, where tannin-stained water creates a golden-brown cascade nearly 200 feet wide.
A peaceful old-growth beech-maple forest in southwest Michigan that has never been logged, with giant trees and a quiet creek to explore.
A surprising park on the southwestern Minnesota prairie with a 100-foot Sioux Quartzite cliff, free-roaming bison herd, and prickly pear cactus.
Where the Mississippi and Minnesota rivers meet at the Twin Cities, with trails through floodplain forest, views of the historic fort, and Pike Island.
Five waterfalls cascade through a gorge of ancient volcanic rock before the Gooseberry River empties into Lake Superior on the beautiful North Shore.
The oldest state park in Minnesota features ancient basalt cliffs along the St. Croix River and the world's deepest known potholes carved by glacial meltwater.
Walk across the headwaters of the Mississippi River where it starts as a small stream flowing out of Lake Itasca, beginning a 2,340-mile journey to the Gulf of Mexico.
A glacial landscape of rolling hills, kettle lakes, and bogs in the Twin Cities suburbs with over 13 miles of trails and great mountain biking.
A beautiful park in Minneapolis where Minnehaha Creek drops 53 feet over a limestone ledge into a glen, then flows to join the Mississippi River.
A famous lighthouse perched on a 130-foot cliff above Lake Superior, built after a devastating 1905 storm wrecked 29 ships on the North Shore.
Dramatic Lake Superior cliffs, inland lakes, the highest waterfall in Minnesota, and some of the most rugged scenery on the North Shore.
A water-based park on the Canadian border where you explore by boat, paddle, or houseboat across huge lakes dotted with islands and some of Earth's oldest rocks.
Giant rounded granite boulders stand in a line like circus elephants in what feels like a natural playground of billion-year-old pink granite.
One of America's great urban parks in St. Louis, bigger than Central Park, with a free zoo, science center, art museum, and history museum all in one place.
The iconic 630-foot stainless steel Gateway Arch soars above the Mississippi River in St. Louis, celebrating America's westward expansion.
A stunning karst landscape with castle ruins, natural bridges, sinkholes, caves, and a massive spring flowing into the Lake of the Ozarks.
Ancient volcanic rock creates a natural waterpark where the East Fork of the Black River tumbles through chutes, pools, and smooth rock channels.
The longest rail-trail in America stretches 240 miles across Missouri along the Missouri River, passing through bluffs, farmland, and small towns.
A drive-through wildlife park near St. Louis where you can see elk, bison, and deer roaming freely, with hiking trails through Ozark-edge forest.
One of Missouri's most spectacular show caves with massive formations, an underground lake, and the beautiful Meramec River flowing through the park.
A massive spring erupts from the base of a dolomite bluff, creating one of Missouri's best trout fishing streams in the beautiful Ozark hills.
A park near Columbia with a natural rock bridge, sinkholes, a cave entrance called Devil's Icebox, and trails through karst landscape and restored prairie.
A green valley between Cleveland and Akron with waterfalls, towpaths, and a scenic railroad that winds through forests and wetlands.
A 1,000-acre nature preserve in Yellow Springs with a natural spring, waterfalls, and old-growth forest owned by Antioch College.
Ohio's largest natural sand beach on Lake Erie, a great place to find beach glass, watch waves, and explore dunes.
A Columbus metro park along the Olentangy River where you can see 100-foot bluffs, ancient earthworks, and lots of deer.
A magical park in southern Ohio filled with caves, waterfalls, and towering cliffs carved from ancient Blackhand Sandstone.
A beautiful limestone gorge carved by the Little Miami River with exposed rock layers, cliffs, and a forest full of wildflowers.
A Lake Erie shoreline park with sandy beaches, a boardwalk through marshes, and some of the best bird-watching in North America.
A forested park in central Ohio where the Clear Fork of the Mohican River flows through a hemlock-lined gorge with a covered bridge.
A small but amazing park where giant boulders create narrow passageways, caves, and cliffs you can explore like a natural maze.
A rare sand dune ecosystem near Toledo with oak savannas, wet prairies, and more rare plant species than any other site in Ohio.
Twenty-one islands in Lake Superior with sea caves, lighthouses, old-growth forests, and some of the most spectacular ice caves in the country.
Dramatic waterfalls plunge through a deep gorge of ancient lava rock in northern Wisconsin, where you can see rocks over a billion years old.
Wisconsin's most popular state park surrounds a deep lake in the Baraboo Range, with 500-foot quartzite bluffs, balanced rocks, and effigy mounds.
A landscape of rolling hills, kettle lakes, and ridges shaped by glaciers, where you can walk the Ice Age National Scenic Trail and see textbook glacial features.
A Lake Michigan park with a pristine beach, sand dunes, and a beautiful boardwalk through Creeping Juniper Nature Area, one of the best dune ecosystems in Wisconsin.
A calm, no-wake lake that reflects the surrounding sandstone cliffs and forest like a mirror, perfect for quiet paddling and swimming.
A beautiful park on a peninsula jutting into Green Bay in Door County, with a lighthouse, observation tower, and miles of shoreline.
One of the oldest geological features on Earth, this quartzite hill rises 700 feet above the Wisconsin River valley with ancient billion-year-old rocks.
A 185-acre nature center on the Lake Michigan shore in Milwaukee with ravines, wetlands, prairies, and a 60-foot observation tower.
High bluffs at the confluence of the Wisconsin and Mississippi Rivers with effigy mounds, caves, and some of the most spectacular river views in the Midwest.
Let the child heart places that create real curiosity, compare two landscapes or histories, and choose one attainable family visit. At the park, use three to five observations for younger children and a field note or evidence-backed explanation for older children. Missing an item is a reason to ask a question, never a reason to approach wildlife or leave an allowed route.
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