Slum Settlement Filled With Mountains of Garbage.

17th century mosque for Shah Abbas' harem.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

The world's second-largest sundial, made entirely out of stone.

The "Prussian Versailles" that is as glorious today as when it was built.

Ancient serpentine sacrifice holder that has stood the test of time.

The palace of the King of Kings, burned by Alexander the Great.

The ancient latrines of the Greeks, in all their public glory.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

This ancient Spanish castle sits high upon a hilltop.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Famously misunderstood wonder of the ancient world

A Romanesque tower appears when water levels drop.

A naturally mummified 2,000-year-old man.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Hoax, mistake, or evidence of dinosaurs in human times?

A battle between nature and architecture in the Cambodian jungle.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Ancient Egyptian relief, claimed to depict an electrical light.

These Nubian pyramids are strange and unique, even by pyramid standards.

The largest known Ancient Egyptian obelisk.

Ozymandias’ time-keeping temple.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.