The world's most active stratovolcano is almost always erupting.

142 ceramic steps become a mosaic once a year.

Thousands of well-dressed mummies below a monastery.

Leveled by an earthquake, this Italian village is now preserved as a massive concrete art project.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Museum dedicated to "the man who moved the Earth."

The remains of diamond fever taken over by the desert.

A lake in the middle of the tundra of Quebec is said to be the purest freshwater lake on Earth.

One extremely determined man's homemade universe.

An underground city of salt.

One of the most remarkable caves in all of Iceland was created by a once raging river of lava.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This taxidermic smorgasbord was co-created by an artist poached from the Museum of Natural History.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

What can compare to the comforting sound of 10,000 toilets running?

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

Artistic cabins actually grow deep in the Canadian wilderness.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

An architectural marvel that spans the Arda River, and has stories of a haunted past.