This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

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

Ancient serpentine sacrifice holder that has stood the test of time.

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

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

One of the great treasures of Neolithic art lies within this carefully constructed pile of rocks.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This abandoned Greek island was the last active leper colony in Europe.

Founded in 670, this ancient mosque is an architectural time portal.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Come for the flowers, stay for the bats!

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Monkeys lounge around at this 13th century temple.

Pilgrimage site for star-crossed lovers.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Venice's island of the dead.