"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

This large midwestern cavern features impressive rock formations and an underground waterfall.

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

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

This historic hotel invented the chocolate brownie.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A sculptor's dream castle turned fantastical ruin.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Most famous work of one of Frank Lloyd Wright's sons.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

European castle ruins in an American state park are actually the product of death and grief.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

These eerie outliers of the lightning bug family glow a mysterious blue color.

All that's left of the quintessential "cabin in the woods."

Try not to get slimed in Tribeca.

New York's oldest magic store.

A bizarre house filled with an astounding array of collections.