The flatest

place on earth is in the Andes mountains.

Makes sense right?

It's a salt flat.

When it rains?

It makes the world's largest mirror.

Another place to add to the bucket list Lucy.

Salar de Uyuni

Salar de Uyuni is the world's largest salt flat, at 10,582 square kilometers (4,086 sq mi). It is in the Daniel Campos Province in Potosí in southwest Bolivia, near the crest of the Andes and is at an elevation of 3,656 meters (11,995 ft) above sea level.

Somebody watched Kingdoms of the Sky last night :-).