Stalactites and stalagmites in a beautifully lit cave.

Thousands of well-dressed mummies below a monastery.

An alchemist's "magic door" stands in the middle of a Roman park.

A submerged archeological park still holds the wonders of a Roman Sodom.

Pompeii's less famous neighbor is still revealing her secrets.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A 16th-century horror show built in a lovely Italian garden.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

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

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

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

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

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

A fake Transylvanian castle houses a cathedral of antlers.

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

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

Budapest's Communist-era statues, banished to the suburbs.

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.

Once the home of a hermetic monk, this cave now houses a small church.

Museum dedicated to the terror regimes of Hungary.