The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

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.

This is one really big nut.

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

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A museum devoted entirely to the rattlesnakes and snake-related art.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Baroque celebration of the end of the Great Plague of Vienna.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A church of bones, decorated with 40,000 human skeletons.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

Monument to a suicide protesting the Soviet invasion.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

This dramatic rail curve was once the target of a failed Nazi attack.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

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.

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

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

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