This massive sycamore tree has been labeled as one of the largest in the state.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

The world's largest collection of the world's largest objects is in one small Illinois town.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

This three-dimensional brick mural is the longest of its kind in the United States.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Check out a hidden collection of vintage neon signs.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

When ecosystems collide in the arid Southwest.

A riverside tiny house with books and other treasures galore.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

One of few remaining antique carousels with stationary animals in the U.S.

A statue high in a hill that represents how Buffalo Bill got his name.

The quirky collection includes treasures like Elvis' underwear, Bob Barker's toothbrush, and hundreds of sock monkeys.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

One of the only memorials dedicated to journalists who died in combat.

Built by the patriotic residents of Boonsboro in a single day.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Time travel with sweets across history at this research-based candy store.