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

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

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

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

Elaborate tile work in this railway station tells the story of Portugal.

Picturesque intersection of witchcraft and ancient Christianity.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Flamboyant architecture from the turn of 20th century.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A 11-foot former president stands on a Kosovo street that also bears his name.

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

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

The modern birthplace of Irish freedom.

This ancient Irish tower could easily have stood in for Rapunzel's prison.