A 19th-century cemetery device to ensure that the prematurely buried would be "saved by the bell."

The mark of the Devil's horns on a marble column in Milan.

World's largest permanent maze made of 18,000 conifers.

Colorful boxes placed over the dead are left to rot and crumble.

Executed in 1401, Exhumed in 1878, Stolen in 2010.

Hamburgers are intensely proud of their tunnel beneath the river.

Constructed by forced laborers, this submarine pen is now a museum and war memorial.

A stunning gilt bronze relief denounced by Hitler as "degenerate art"—even though it was dedicated to the Nazi leader.