This 11th-century structure is one of the oldest churches in Romania.

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

This enormous abandoned prison was once dubbed the "Bastille of Romania."

A Romanian church built from one single oak.

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

A medieval church built up to defend its village.

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

Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

Romania's only crater lake with water as pure as if distilled.

The Natural History Museum that time forgot.

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

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.

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

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

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."

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

A small town Romanian cemetery filled with darkly humorous gravestones.

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

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

A cemetery full of exquisite statuary, including a monument to a woman some say died of a broken heart.

Former WWI oil tanker played a variety of roles in history, its tantalizing rum-flavored scent being the only constant.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.