Places Andrea IX Wants to Go

A former squatter's paradise outside Prague.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

This ship carrying cargo and four church bells for the Catedral Metropolitana Nossa Senhora Aparecida ran aground in 1968.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Contains some of the world's more disturbing wax anatomical models.

Enchanting cave with a river crashing through the roof.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

A subterranean playground in an abandoned slate mine.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

A unique geological area spiked with wind-carved rocks that resemble teepees.

One of Ireland's most infamous prisons for rebels including men, women and children.

A village on the east coast of England that has almost completely eroded into the North Sea.

The largest underground church in Europe.

This Italian foot path winds through the mountains via 52 individual tunnels.

A historic observatory precariously perched at the "Top of Europe."

Hundreds of hidden passageways weave through the old quarters of Lyon.