Places ckoohle Wants to Go

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

The only gulag ever to exist in socialist Yugoslavia.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

Longest fortress system anywhere in Europe.

The remains of a sunken military ship wreck visible through clear water.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

Gargoyle head that brings good luck.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

A musical instrument played by the sea.

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

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

This cubist Vienna church building looks like some sort of alien stonehenge.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

The oldest garden in Prague, once part of an medieval orchard.

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

A saintly relic hidden in a Prague church basement.

This artificial cave looks like something out of a fairytale.

A mocking tribute to the past and modern leadership of Prague.