A Turkish ghost town abandoned in a population exchange with Greece.

An abused and forgotten metropolis, abandoned for centuries.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A deadly ancient portal to the underworld.

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

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Roman ruins top white travertine terraces formed by ancient hot springs.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

Large miniature theme park with 100-plus models.

Turkish adventurer antiques in the heart of the Grand Bazaar.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

A fearsome dragon clings to a corner of Munich's city hall.

The fairy tale castle of the "fairy-tale king."

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Rising from the sea like a stone monster.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

After a traumatic encounter with a six-foot eel, one Galway baker started making a daily loaf of sourdough in its shape.

The remains of a concrete ship sit on a sandbank between Ballina Quay and Belleek Woods.

This center tells the story of one of the most famous battles in Irish history.

At the time of its construction, this hydroelectric power plant was the largest in the world.