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

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

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

This snug medieval lane is one of the narrowest streets in the world.

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

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

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

A striking symbol of the Bulgarian capital.

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.

Ancient serpentine sacrifice holder that has stood the test of time.

This museum was invented in a novel before being made real by the author.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

A seemingly simple canyon that was the backdrop to a number of famous movies.

An ancient burial ground believed to have been used for ritual sacrifice.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The best-preserved Roman small town in North Africa.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.