This fairytale medieval church in Poland originally spent centuries in Norway.

Ruins of a late 1950s Polish ski jump ramp in the middle of the city.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

A World War II torpedo launch station abandoned off the Polish coast.

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.

A cluster of headless, armless sculptures looms within a popular Polish park.

Brought to you by the makers of fiberglass dinosaurs.

This Communist-era residential block is one of the longest residential building in Europe.

A statue honors the children who fought Nazis in Poland.

Museum dedicated to "the man who moved the Earth."

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

The site of the first battle of World War II.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

Striking occult iconography on a medieval German church.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

This Transylvanian church has changed its denomination four times.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.