The world’s largest salt flat is also a giant mirror when it rains.
The world’s best example of marine-invaded tower karst.
The Great Blue Hole is the Earth’s largest sinkhole.
This geological wonder was the result of hardened lava that bubbled up onto the Earth's surface.
Here, thousands of limestone spikes stand sentinel.
Hawaii’s impressive peak clocks in at 33,500 feet (10,211 meters).
Antelope Canyon is a popular location for sightseers, and a source of tourism business for the Navajo Nation.
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