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

Romania's triumphal arch looks out over Bucharest.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This historic black and white monastery is one of Bulgaria's architectural jewels.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A striking symbol of the Bulgarian capital.

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

The first monument in Estonia that was made by an Estonian sculptor.

A unique sculpture calls the outside of this steakhouse home.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

"There's nothing there," and other lies the KGB told us.

This atmospheric spot in Pärnu's historic old town is located in a 17th-century almshouse.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

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.

The modern birthplace of Irish freedom.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

One of Ireland's most infamous prisons for rebels including men, women and children.