Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

This hot dog-shaped diner has moved all around Colorado, but has never been to New York.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

This super steep hike ascends 2,000 feet in less than a mile.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This enigmatic building features numerous architectural styles.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

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

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

Shaped like a big top tent, this memorial honors the victims of a terrible train wreck.

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

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

The fifth-longest natural arch in the world, and the longest outside China.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

Deadly airliner crash preserved for those willing to climb and pay respects.

Three witches are said to be buried beneath these unmarked concrete graves.

Reproductions of nine banned oil paintings coyly hidden behind a curtain in a New Mexico conference room.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

A line of blue paint marks the route of the inaugural parade.

D.C. once had its own tiny rival to the New York Stock Exchange.

The walls of the iconic dome are hollow and have a secret stairway.