Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

One man's vision and a labor of love of many.

An opulent testament to the boom-and-bust history of industry in north central Indiana.

A set of tall pillars and alcove-like rooms that are significant to the Miami people of Indiana.

An underground wonderland in Iowa.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Once the extravagant escape of the Ford family, this enigmatic ruin now stands as a haunting reminder of its former glory.

Accessible only by train, the beauty of Agawa Canyon Wilderness Park is worth the journey.

A sacred Ojibwe site covered in pictographs next to Lake Superior.

This giant roadside goose has been hailing travelers into a small Ontario town for over 50 years.

Ancient indigenous sculptures steeped in history and shrouded in mystery.

The ruined remains of an early hydroelectric dam.

This Minnesota-shaped forest is actually located in the state it is shaped like.

The largest Walleye statue in the world calls this Minnesota town home.

Home to a 26-foot-tall statue of an American icon.

The world's largest floating loon bobs in the lake to kick off an annual festival.

Walk up a ramp through a forest for panoramic views of Lake Michigan.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

This small, nautical gift shop is home to a 500-pound behemoth.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This shallow cave got its name from copious amount of human bones found inside.

This tiny site in Iowa, part of a patchwork national wildlife refuge, is home to ancient flora and fauna.

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.