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

Sofia's legislative center is continuously reinventing itself.

A flamboyant five-story building in Bulgaria resembles a crawling snail.

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

Eastern Bloc nostalgia, anybody?

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

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

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

Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

A mecca for India's Jains.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

Famously misunderstood wonder of the ancient world

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.

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

Stalin's prisoner-built rail line sits in ruin, never having a single car ride its tracks.

The world's second-largest excavated hole.

This experimental utopian "city of the future" in rural India may hold a dark secret.

A collection of crumbling mansions stand as a reminder of a more prosperous time in this Indian village.

The world's largest Tibetan refugee settlement.

This peaceful, round shrine in the middle of the Sri Lankan jungle acts as a beacon of peace.

A nearly unconquerable island-fort in the Indian Ocean.

This elaborate temple was built around one of the Buddha's teeth.