Visit an imposing 13th-century Transylvanian citadel lurking not far from the region's more heavily touristed attractions.

This metro station doubles as an unintentional paleontology museum.

An old spa town in the mountains of Romania where, according to legend, the great hero Hercules once bathed.

This Transylvanian church has changed its denomination four times.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Romania's triumphal arch looks out over Bucharest.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

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.

Something's watching you.

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

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

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

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.

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

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

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

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

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Eat the ultimate iteration of Portugal's most beloved pastry.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."