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

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

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

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

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

Something's watching you.

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

Packed to the ceiling with antique taxidermy and hunting arms.

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

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 small town Romanian cemetery filled with darkly humorous gravestones.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

The Natural History Museum that time forgot.

This Transylvanian church has changed its denomination four times.

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

This Romanian village may have been drowned, but it is long from forgotten.

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

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

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

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

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.

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