From thundering waterfalls to ancient geological marvels, every corner of the globe has passionate defenders. Cast your vote!
1Grand CanyonA 277-mile gorge carved by the Colorado River in Arizona, one of the world's most visited geological wonders.
2Great Barrier ReefThe world's largest coral reef system off Queensland, Australia, stretching over 2,300 kilometers.
3Northern LightsA dazzling display of natural colored light visible in high-latitude regions caused by solar particles hitting Earth's atmosphere.
4Mount EverestThe world's highest mountain at 8,849 meters in the Himalayas, drawing climbers from every corner of the globe.
5Victoria FallsThe world's largest curtain of falling water on the Zambia-Zimbabwe border, dubbed 'the Smoke that Thunders'.
6Iguazu FallsA UNESCO-listed waterfall system on the Brazil-Argentina border, wider than Niagara and taller than Victoria Falls.
7Ha Long BayA UNESCO World Heritage Site in Vietnam featuring thousands of limestone karst islands rising from emerald waters.
8Sahara DesertThe world's largest hot desert spanning 9 million km² across North Africa, home to towering golden dunes.
9Angel FallsThe world's highest uninterrupted waterfall at 979 meters, plunging off Auyantepui mountain in Venezuela.
10Table MountainAn iconic flat-topped mountain overlooking Cape Town, South Africa, one of the New Seven Wonders of Nature.
11Milford SoundA majestic fiord in New Zealand's Fiordland National Park, surrounded by sheer cliffs and tumbling waterfalls.
12PatagoniaA vast, wild region at the southern tip of South America shared by Argentina and Chile, famed for glaciers and granite spires.
13Great Blue HoleA giant marine sinkhole off the coast of Belize, over 300 meters wide and 125 meters deep, a diver's bucket-list destination.
14SerengetiTanzania's legendary savanna hosting the Great Migration, where millions of wildebeest cross the plains each year.
