These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

A tourist attraction founded around a slumping cabin.

Only known mainland rookery of the threatened Stellar sea lion.

10,000 flowered plants bloom in the City of Roses.

An emporium for the weird, creepy, rare, and just plain gross.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Its buzzing collection honors vibrator history.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

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

A clear blue swimming hole with hidden caves, still unexplored.

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

A smoke stack so large, the Washington Monument could fit inside!

New fungal and bacterial species call this deadly lake home.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

The first declared National Monument in the United States.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Just a man taking his prehistoric pet for a stroll.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.