This 7th-century monastery was sacked by Saladin.

A hyper-remote desert cave dramatized in "The English Patient."

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

An extraordinary collection of 18th century anatomical waxworks.

A diverse collection of wax, bone, papier-maché and mummified relics.

This tower in a small Polish village uses the power of a sacred bell to ward off mischievous weather spirits.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

This fairytale medieval church in Poland originally spent centuries in Norway.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

A World War II torpedo launch station abandoned off the Polish coast.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

This imposing 20th-century castle was abandoned before it was ever completed.

A collection of old neon signs from all over Poland line a secluded courtyard.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

These massive moving sand dunes have swallowed an entire village and are still on the run.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

These old towers extract salt from the sea.

Tools, pottery, and mummies showcase the history of La Palma's native people.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

The only Malaysian food truck in Italy slings tangy chicken satay that even Italians love.