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

Notorious artist squat renovated into legal studios.

Executions were once held near this beautiful 18th-century fountain.

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

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

The celebrated eyesore created by starry-eyed sweethearts.

These mysterious ruins are hidden amid this sleepy coastal city.

The only ancient owl carving found east of the Mississippi.

Flip your own pancakes in this old sugar mill within a Florida state park.

North Central Florida's largest flea market and a weekend roadtripper's dream.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

Intertwined, interspecies trees which locals believe can grant boons to lovers.

A lion given to the prime minister somehow got stuffed and sent to Florida.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

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

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

The skyline of Montreal includes the silhouette of an unexpected fruit-shaped Canadian staple.