Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

Rock carving created 1,300 years ago 75 feet off the ground.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

Mysterious standing stone formations looks like a petrified forest.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

UNESCO-protected ancient burial ground.

A spectacular Bulgarian cave resembling a devil's head with a waterfall rushing down its throat.

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

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

One of the most controversial statues in Romania is an emperor with no clothes.

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

Religious structure known for its sculpted details.

This Transylvanian church has changed its denomination four times.

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.

Something's watching you.

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

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This grand hydraulic installation has provided water for townspeople since the Middle Ages.

When the USA donated cement and funds to expand the airport in Laos, the Laotians built a massive monument instead.

More than 200 statues filled with cryptic symbols give this park spot an aura of horror vacui fantasy.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

Pyongyang’s Arch of Triumph is the second tallest triumphal arch in the world.

A vast museum devoted to North Korea's victories against its imperialist enemies.