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

A scrap-metal sculpture recalls an infamous 19th-century camel.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

The final resting place of New Orleans' most famous voodoo priestess.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A snapshot of the city's fascinating voodoo culture.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

"The prettiest love letters in the world" ... or so said Lord Byron.

Ghost Town in the Demilitarized Zone of the Golan Heights.

A 1,500-year-old ghost settlement is slowly fading away.

In this pristine Ecuadorian hippie town, residents remain active well into their eighties and nineties.

Massive volcano in the Andes is the farthest point from earth's center.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

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

A house carved into a rock in the 1940s.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

The oldest continuously occupied public building in the United States.

This highly decorated dam is one of Guanajuato's most unexpectedly beautiful public works.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A tunnel with windows, so you don't miss out on the impressive views.

During its heyday, 72 one-ton buckets from this dredge bore into the Powder River excavating vast gold deposits.