With over 10,000 lights, this engineering marvel lights up the city after dark.

This museum offers a journey back to the Belle Epoque era of Romania.

Climbing to the top of the cathedral's bell tower offers sweeping views of these medieval ruins.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

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

A stunning 18th century pharmacy and medieval chemist's collection.

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

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

Something's watching you.

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

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

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

One of the oldest churches in Romania is believed to have been built on the site of a pagan temple.

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

This once-derelict building is now one of the most beautiful bookstores in the world.

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

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

This massive underground salt mine now holds a sci-fi theme park in its depths.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

A section of the long chain that blocked enemy ships from entering Constantinople.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

In this historic region, homes and churches are carved into ancient volcanic rock formations.