This snug medieval lane is one of the narrowest streets in the world.

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

A Romanian church built from one single oak.

The growing stones of Romania.

Gigantic Romanian salt mines used to heal respiratory conditions.

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

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

The Natural History Museum that time forgot.

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.

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

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

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

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

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

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

A small town Romanian cemetery filled with darkly humorous gravestones.

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

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.

Spend the night in 1920s Latvia in this historic recreation and movie set.

This abandoned secret city is a crumbling wonderland of Soviet ruins.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

A passage grave used in neolithic rituals.