The Tudor-style cottage in the middle of the square is not quite what it seems.

A market for witches is hidden within a train station.

The elaborate crypt where Peruvian heroes of the War of the Pacific were laid to rest.

Tucked behind the Institute of Neurological Science down a decrepit street resides the largest display of human brains in Latin America.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The only castle in North America to ever house European sovereigns.

Frida Kahlo's childhood home, now a museum of her life and works.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.