The only bridge in the United States where BASE jumping is legal without a permit year-round.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

Home to the deepest rift anywhere on Earth.

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

This beloved roadside attraction welcomes visitors with his signature neon smile.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

A giant open-air sculpture made of over 200 full-sized boats.

Delve into a wealth of oddities, antiques, and taxidermy treasures.

The world's first disc golf course has the Jet Propulsion Laboratory as a neighbor.

This print shop boasts one of the largest pinball arcades in San Francisco.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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

The location where the iconic movie character declared it was time to go home.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

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

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.