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

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

This Transylvanian church has changed its denomination four times.

A Romanian church built from one single oak.

The growing stones of Romania.

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

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

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

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

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

Gigantic Romanian salt mines used to heal respiratory conditions.

Something's watching you.

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

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

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

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

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

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

A stunning two-story timepiece within a medieval Brick Gothic church.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

The largest brick bridge in the world.

A strange rock formation with numerous legends trying to explain it.