A statue dedicated to the founders of communism.

Op-art architecture designed for happiness.

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

The oldest public library in Ireland.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The modern birthplace of Irish freedom.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

A collection of art from Bulgaria's time as a communist state.

Eastern Bloc nostalgia, anybody?

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A vast Communist-era exhibition space in the Bulgarian capital.

A striking symbol of the Bulgarian capital.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

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

The silly symbol for an underground protest group is now scattered around the city.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

This ex-prison dates back to the Middle Ages.

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