Stalinist skyscraper built with help of cryotechnology.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

This sculpture used famed boxer Joe Louis as the inspiration behind its body.

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

Romania's triumphal arch looks out over Bucharest.

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

Palace where the nearly un-killable Rasputin was murdered.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

Russia's own leaning tower was built on a tragic historical fable.

Replica of mosque destroyed by Russia in the 16th century.

A former military outpost of Ivan the Terrible, the 16th-century church contains some of the rarest examples of Eastern Orthodox mural paintings.

Church built on the site where the last tsar of Russia and his family were killed.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

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.

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."