An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

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

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

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

The site of the first battle of World War II.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.