Romania's triumphal arch looks out over Bucharest.

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

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

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

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

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

The Natural History Museum that time forgot.

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

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

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.

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

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

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

A small town Romanian cemetery filled with darkly humorous gravestones.

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

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.

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.

This impressive system of tanks was used to store drinking water as long as 2,000 years ago.

Yemen's "Stone Palace" looks like it was carved right out of the tall stone column on which it is built.

One of the most remote and isolated villages on the Arabian Peninsula.

A mesmerizing reservoir nestled at the heart of a pre-Islamic Yemeni village.