Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

The ruins of a Florida miracle spring resort make it seem like a wonder that this was ever a health spa.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

Get up close to emus and ostriches, or buy their tasty meat.

Pyramid home to an obscure religious group that practices modern mummification.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

This popular pilgrimage site offers a hole filled with holy healing dirt.

A quintet of history museums make this Virginia graveyard as much a resting place for funereal history as it is for people.

First LEED-certified gas station in the United States.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

The site of the first "historically true" UFO encounter in the U.S.

Browse through roughly 130,000 titles in the world's largest independent video rental store.

Site of the greatest known waterfall that ever existed.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

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

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

This natural marble cave is one of only five national monuments in Oregon.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.