A nightly tradition fills the streets of Flogsta with a collective scream.

The Rio Lerma (Chignahuapan) in El Salto, Mexico, is one of the most polluted rivers in the world. It’s covered in white foam, and falling in can kill.

Formerly a brutal Nazi colony, this Chilean village was remade as a (controversial) German-themed tourist trap.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

Thousands of well-dressed mummies below a monastery.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.