Structure built from the skulls of vanquished foes.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

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

A collection of items from a way of life that no longer exists.

This bone-filled cave got its name after they found 140 bear skeletons inside.

The Natural History Museum that time forgot.

A muddy alien landscape that is home to rare species of exotic plants.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

No one knows who built this strange cave of worship or exactly why.

A giant portrait of an ancient king looms over the river.

The romantic botanic tunnel feels like a well-kept secret.

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

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.

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

Moss and stone turn this waterfall into an otherworldly liquid veil.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

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 kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

Locals believe this abandoned ruin on the outskirts of Bucharest is haunted.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

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

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