South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

This historic Victorian hotel has a scandalous history of affairs and murder.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A bizarre house filled with an astounding array of collections.

This charmingly homemade amusement park has been growing for 40 years.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

The other side is actually green.

Mosaics, storks, and brothels—this ancient city has it all.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An emporium for the weird, creepy, rare, and just plain gross.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Only known mainland rookery of the threatened Stellar sea lion.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.