High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Rochester's signature culinary delicacy.

An antique cemetery in New York, this land is home to any number of famed corpses.

The home, museum, and death site of Kodak's influential founder.

The cutest way to stay safe in traffic.

Underground attraction offering tours of the foundational ruins of a church nave that collapsed in 1674.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

The oldest continuously occupied public building in the United States.

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

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

This extraordinary art museum is like a secret world on the edge of Mexico City.

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

France's most famous cemetery, with some of its most curious tombs.