An eerie, derelict amusement park in Berlin.

A clerical error gave rise to this imaginary micronation in the southwestern corner of Estonia.

There is a mouldering Jewish cemetery hidden away in the capital of Moldova.

Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.

A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

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

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

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

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

A Hungarian pharmacy museum with a box full of mummy powder.

A museum in the childhood house of a medical pioneer.

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

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

Museum dedicated to the terror regimes of Hungary.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

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

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.

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