Devils Postpile, California
Cave of Crystals, Mexico
‘Door to Hell,’ Turkmenistan
Crescent Lake, China
Dragon’s Blood Trees, Socotra
Crooked Forest, Poland
Great Blue Hole, Belize
Split Apple Rock, New Zealand
‘7 Giants,’ Russia
Eye of the Sahara, Mauritania
Zhangjiajie National Park, China
Red Beach, China
Thor’s Well, Oregon
Avenue of the Baobabs, Madagascar
Fingal’s Cave, Scotland