See Death Valley's mysterious moving rocks
Experience Canada's mineral-rich spotted lake
Witness Antarctica's red waterfall phenomenon
Kiribati is the only country in all four hemispheres — stand on the equator on Kiritimati, the first place on Earth to see the new day.
A salt lake turned pink by algae, where salt-gatherers wade waist-deep and the water floats you.
The "Eye of the Sahara" from the ground.
Fly over the Nazca Lines, giant desert figures etched into Peru's coastal plain two thousand years ago
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