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

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A museum dedicated to the alleged Roswell Incident.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

This historic tower in the California desert promises visitors a "vortex of good vibes".

San Diego's most historic and haunted home.

Famously misunderstood wonder of the ancient world

Okinawan dining in a twenty foot tall, man-made tree house overlooking Naha Harbor.

A bovine sumo match in which both bulls live to fight another day.

See massive fossils that are over 200 million years old in northeastern Arizona.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

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

Ancient human, animal, and geometric figures drawn in the earth.

The ancient tomb acts as a calendar that keeps perfect time.