The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

An Argentinian businessman facing terminal cancer built this whimsical medieval village using salvaged materials.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

A stunning hermit's shrine on a steep rocky spur in Northern Italy.

The secret medieval communication system will whisk your words above the noise of the crowd.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

A collection of grotesques lines the walls of this Italian villa.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

Beautiful views and Roman-style statues on the Italian coast.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

A madman's personal garden filled with 1,000 sculpted heads.

A collection of collections, including an anatomy museum, the “Cabinet of Physics of Alessandro Volta, a museum of natural history, mineral collection, and much much more...

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

A fake medieval village in the middle of Turin.

Southern Italy's spinning top village.

Crushed coral and crystals give the sand its signature coloration.

A lover's walk between hilltop towns, decorated with graffiti love notes.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."