An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Tour the sci-fi-esque reality of governmental disease management.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

A theme park attraction designed to turn your children into LARPers.

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This museum glorifies the humble potato.

Dramatic river bend surrounds a natural red-rocked pedestal.

A spiritual vortex among the red rocks in Sedona.

Home to the deepest rift anywhere on Earth.

20,000 pieces in a Frank Gehry-designed building.

Astounding collection of coin-operated games and automata.

See massive fossils that are over 200 million years old in northeastern Arizona.

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