Did You Know?

Brazil’s Maranhenses National Park contains desert dunes filled with rainwater lagoons.

Despite appearing like a desert, this region receives about 47 inches of rain annually. The rain collects between massive sand dunes, creating thousands of crystal-clear lagoons. The unique landscape exists because an impermeable rock layer prevents the water from draining away.

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The Door to Hell in Turkmenistan has burned continuously since 1971.

This 230-foot-wide crater was created when Soviet geologists accidentally drilled into a cavern filled with natural gas. They...

Read more: The Door to Hell in Turkmenistan has burned continuously since 1971.

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The Stone Forest of Madagascar features razor-sharp limestone needles.

The Tsingy de Bemaraha contains limestone formations so sharp they can cut through equipment and skin. The hostile...

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The Waitomo Glowworm Caves in New Zealand create natural light shows.

Thousands of bioluminescent larvae create stunning blue light displays on the cave ceilings. The glowworms use their light...

Read more: The Waitomo Glowworm Caves in New Zealand create natural light shows.