Natural Wonders

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

The hottest, driest, and most scenic desert on Earth.

The largest geyser field in the southern hemisphere is a spectacular sight.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

Did Inca children also slide down these smooth rocky slopes above Cusco?

This unimaginably large pile of sand near Nazca is one of the tallest dunes in the world.

At 705 feet high, Brazil's "House of Stone" is the largest cave mouth in the world.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

Stories of sightless fish and ghostly cowboys are only a fraction of the legends surrounding this Kansas sinkhole.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

Conspiracy theories and occult legends surround this mysterious natural rock formation.