3. Door to Hell in Derweze, Ahal Province, Turkmenistan
Flickr: fijian_scion / Creative Commons
6. White Desert in Farafra, Egypt
Prill Mediendesign & Fotografie / thinkstockphotos.com
9. Devilās Tower in Wyoming, United States
Flickr: davidkingham / Creative Commons
11. Marble Caves at General Carrera Lake in Patagonia, Argentina and Chile
Flickr: jvieras / Creative Commons
13. Great Blue Hole (submarine sinkhole), Belize
Flickr: sully_aka__wstera2 / Creative Commons
15. Perito Moreno Glacier in southwest Santa Cruz province, Argentina
Nyker1 / thinkstockphotos.com
19. Skagit Valley Tulip Fields in Washington, United States
RChoi / thinkstockphotos.com
21. VillnĆ¶Ć in South Tyrol, northern Italy
Andrey Pomyantovskiy / thinkstockphotos.com
22. Cave of the Crystals in Naica, Chihuahua, Mexico
CARSTEN PETER / SPELEORESEARCH & FILMS / National Geographic Creative
Alexander Van Driessche / en.wikipedia.org / Creative Commons
24. Kaieteur Falls in central Essequibo Territory, Guyana
Flickr: hoppy1951 / Creative Commons
25. Navagio Beach and the Blue Caves in Zakynthos, Greece
rusm / thinkstockphotos.com
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In The News Today
- Former Israeli President Shimon Peres has died at 93. He was the country's longest-serving politician and statesman.
- Monday night's presidential debate between Donald Trump and Hillary Clinton was a horse show for undecided voters.
- And in a powerful note on her Facebook page, tennis star Serena Williams says she won't be silent about the police killings of black men.
