A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

An ornate century-old elevator still connects the two halves of Bad Schandau.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

Two monstrous faces loom over a village in Czechia.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

This artificial cave looks like something out of a fairytale.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

The hidden lair of an alchemist rediscovered in a 2002 flood.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

Caligula's colossal pleasure ships, discovered by Mussolini only to be lost in flames.

Roman-era ships unearthed...

Rome's ancient Etruscan rival, now a park full of ruins.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Architectureal fantasy quarter of Rome.

This curious, round temple is the oldest still-standing marble building in Rome.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.