A spectacular cave and a beguiling lake.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.

One street divides a single town that stands in two U.S. states.

At one of the nation’s longest-running professional theaters, the audience used to barter for tickets with produce and livestock.

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

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

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.

Something's watching you.

Once the legendary capital of the Dacian Kingdom, this city has been reduced to mere ruins.

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

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

A spooky spot along the road where things mysteriously seem to move uphill by themselves.

A memorial museum to the political prisoners who were held at Sighet Prison, once one of the most feared places in Romania.

A countryside Romanian cemetery filled with colorful crosses bearing lyrical, ironic, or satirical rhymes.

This 13th century Orthodox monastery is built right into the Moldovan cliffside.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.

Gigantic Romanian salt mines used to heal respiratory conditions.

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

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

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

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