Walk through Czech history in Prague's largest graveyard.

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

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

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

The largest statue of this convex, homogeneous object with just one stable and one unstable equilibrium point.

This statue honors one of Budapest's most beloved literary characters.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

Time stands still at this serene burial ground in the center of Budapest.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

Electrical curiosity museum housed in an old transformer station.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

A two-way chairlift system between Zugliget and the highest point in the city.

A forgotten graveyard lost in the tangles of an overgrown garden.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.