A fake Transylvanian castle houses a cathedral of antlers.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

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

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

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

Monument to a suicide protesting the Soviet invasion.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

This doorless 20th-century elevator doesn't stop or slow down.

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

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

The first museum in the world devoted to sexual gadgetry.

Walk through Czech history in Prague's largest graveyard.

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

A Jenga-style cylindrical tower of books that appears to go on forever.

Two stunning 17th-century libraries and a cabinet of curiosities.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This charming candle shop has been in business since 1789.

A stunning mosque owes its design to an Ottoman ruler nicknamed "the Butcher."

This ruined fortress was the stronghold for a persecuted medieval leader and his infamous Assassins.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.