An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

Mysterious glowing orbs float through the desert night.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Every president in history is immortalized in bronze in downtown Rapid City.

A fitting attraction for the corn capital of the world.

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

Mysterious meeting place for UFO hunters near Area 51.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

Experience a charming 1930s version of "infotainment."

An eatery for UFO seekers on the Extraterrestrial Highway.

There's nothing creepier than a cemetery next to a clown motel.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

One of few surviving standpipe water towers in the U.S.