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

The yawning maw of this pagan visage is said to bite off the hands of liars.

Carved fountains poignantly placed in parks and in front of special monuments.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

The magic's in the hole!

A fitting attraction for the corn capital of the world.

These aggressively sustainable art homes look like something out of 1970's science fiction.

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

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

This black shoreline is made up of exploded lava particles.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A toxic ghost town sitting atop a massive coal fire.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Only hotel where you can legally launder money.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

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

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

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The celebrated eyesore created by starry-eyed sweethearts.

What's that on the side of that building? Va Va Voom, it's Bettie!