A blacklight journey through a celestial art exhibit.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A multi-storied adobe complex has been inhabited for more than a thousand years.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

A series of carved figures that scandalized British society.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

An unusual round church in London with a Templar past.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

The first declared National Monument in the United States.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

An exotic wildlife habitat right off The Strip.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

The oldest continuously occupied public building in the United States.