In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

A striking public sculpture representing the period of martial law in Communist Poland.

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

An ethereal glowing blue ocean cave in Croatia.

A gorgeous stone viaduct crosses over a bucolic valley.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

A collection of old neon signs from all over Poland line a secluded courtyard.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

This hidden collection of everyday objects illustrates life within communist Poland.

The site of the first battle of World War II.

An underground city of salt.

Hundreds of notes give thanks to the patron saint of lost causes.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A peculiar museum that includes many drunken tales, a drunk driving simulator, and much more.

A stone woman in a stylized dress honors a courageous politician.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

An Orthodox church inside a small "Garden of Eden" built by a man who had a vision.

Silent memorial, using bone conduction to take people back to the Dresden Bombing of 1945.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

In the fictional world of Kcymaerxthaere, standing at this site just outside Vienna, Austria, the sky would have been found beneath your feet.

This medieval church in a small Austrian village is home to a 700-year-old Mickey Mouse lookalike.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

Museum devoted to the artificial language of Esperanto.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.