Rare recess caves fill this unbelievably beautiful Ohio park.

The largest earthwork effigy in the world.

The angel of death appears to weep black tears at this grave marker.

Take a drunken tour inside the world's largest known geode.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

Town of spiritualists and mediums in Florida.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

Week-long festival in the baby food capital of the world.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

This painted blacktop brings the classic arcade game to life.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

Home of Howard Hughes' Spruce Goose.

Astounding collection of coin-operated games and automata.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

Reason for Michigan's potential diamond mine.

Couple's personal collection of pinball machines turned public pinball museum.

This solemn facility remembers the cruel effort to compel Native American children to relinquish their culture.

Full-sized barn houses many restored instruments.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

What was once the largest NFL stadium.

Mining caused an asbestos emergency in this small town.

Rustic natural hot springs in the deciduous rain forest.