Cat Island
Tashirojima, Japan

- Photo Credit: Imgur
The Silfra Rift
Thingvellir National Park, Iceland

- Photo Credit: Jennifer Boyer / Flickr (CC)
Lake Hillier
Middle Island, Australia

- Photo Credit: Wikimedia Commons
Caves of the Kabayan Fire Mummies
Kabayan, the Philippines

- Photo Credit: Discover Philippines
The Door to Hell
Darvaza, Turkimenistan

- Photo Credit: Tormod Sandtorv / Flickr (CC)
Jacob's Well
Wimberley, TX, United States

- Photo Credit: Wikimedia Commons
The Sedlec Ossuary
Sedlec Ossuary, Czech Republic

- Photo Credit: Wikimedia Commons
Las Pozas
Xilitla, Mexico

- Photo Credit: Rod Waddington / Flickr (CC)