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

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.

A Romanian church built from one single oak.

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

A medieval church built up to defend its village.

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

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

Gigantic Romanian salt mines used to heal respiratory conditions.

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

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

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

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

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

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.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

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

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

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

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

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

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

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

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