Earth’s Marvels

• Question 1 out of 10

  Which mountain, located on the border of Nepal and China and whose official height was revised in December 2020, is the highest point on Earth above sea level?

  K2

  Kangchenjunga

  Mount Everest

  Lhotse

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• Question 2 out of 10

  Which immense gorge, carved over millions of years by the Colorado River and extending more than 270 miles across northern Arizona, is one of the world’s most renowned canyons?

  Zion Canyon

  Bryce Canyon

  Antelope Canyon

  Grand Canyon

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• Question 3 out of 10

  Which living structure, comprising over 2,900 individual reefs off the coast of Queensland, Australia, is the largest coral system on Earth and can even be seen from space?

  Belize Barrier Reef

  Great Barrier Reef

  Red Sea Coral Reef

  Florida Reef

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• Question 4 out of 10

  What natural light display, caused by solar particles colliding with Earth’s atmosphere and most vivid near the polar regions, is also known as the Northern and Southern Lights?

  Bioluminescent Bay

  Aurora Borealis

  Zodiacal Light

  Noctilucent Clouds

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• Question 5 out of 10

  Which geyser in Yellowstone National Park is famous for erupting boiling water columns up to 40 meters high at roughly 90-minute intervals, making it one of the world’s most predictable geothermal features?

  Steamboat Geyser

  Strokkur

  Old Faithful

  Grotto Geyser

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• Question 6 out of 10

  Which limestone caves in New Zealand are illuminated by thousands of bioluminescent larvae hanging from the ceiling, creating a star-like glow over an underground river?

  Postojna Caves

  Škocjan Caves

  Waitomo Glowworm Caves

  Mammoth Cave

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• Question 7 out of 10

  Which forest, featuring some of the tallest living trees on Earth that can exceed 100 meters in height, is found along the coast of northern California?

  Douglas Fir Forest

  Amazon Rainforest

  Boreal Forest

  Redwood Forest

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• Question 8 out of 10

  Which giant marine sinkhole off the coast of Belize measures over 300 meters across and more than 120 meters deep, making it a popular site for scuba divers and aerial photography?

  Dean’s Blue Hole

  Great Blue Hole

  Dragon Hole

  Zacatón

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• Question 9 out of 10

  Which desert, roughly the size of the United States and partially bounded by the Tropic of Cancer, is the largest hot desert on Earth outside the polar regions?

  Arabian Desert

  Gobi Desert

  Great Victoria Desert

  Sahara Desert

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• Question 10 out of 10

  Which waterfall in Venezuela plunges 979 meters from a tabletop mountain and is named after explorer Jimmie Angel, making it the tallest uninterrupted waterfall on Earth?

  Niagara Falls

  Iguazú Falls

  Angel Falls

  Tugela Falls

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