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

Something's watching you.

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

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

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

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

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

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

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

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

Moss and stone turn this waterfall into an otherworldly liquid veil.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

Ottoman-era houses lovingly preserved.

The ornate miniature mansions were built for Istanbul's feathered residents.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

This famous city eluded concrete detection until the early 2000's.

A marvel of Byzantine engineering under the streets of Istanbul.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

A sharp sculpture made of thousands of pieces of jagged glass.

An autonomous republic of Orthodox monks.

This legendary city has been a tourist attraction for centuries.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.