"Gates of Hell" burning crater in the Karakum desert, Turkmenistan. This infernal sight is a product of a burning natural gas field that collapsed into a cavern.
1/10"Gates of Hell" burning crater in the Karakum desert, Turkmenistan. This infernal sight is a product of a burning natural gas field that collapsed into a cavern.
© iStock.com / WirestockDevil's Bridge, Germany. This structure was designed to create a circle, one half of which is formed by the bridge itself and the other is formed by the bridge's reflection in the water.
2/10Devil's Bridge, Germany. This structure was designed to create a circle, one half of which is formed by the bridge itself and the other is formed by the bridge's reflection in the water.
© iStock.com / TeleMakro Fotografie (Ina HenselCrooked forest Krzywy Las near Gryfino in Poland. How exactly these trees adopted these crooked shapes remains a mystery.
3/10Crooked forest Krzywy Las near Gryfino in Poland. How exactly these trees adopted these crooked shapes remains a mystery.
© iStock.com / Rat0007The Danxia landform in China.
4/10The Danxia landform in China.
© iStock.com / sihasakprachumIjen crater in Ijen Volcano, Indonesia
5/10Ijen crater in Ijen Volcano, Indonesia
© iStock.com / Pedro AlveraMisterios fairy circles (patches of land devoid of vegetation) on Namib Desert. The origin of this phenomenon is as yet unclear.
6/10Misterios fairy circles (patches of land devoid of vegetation) on Namib Desert. The origin of this phenomenon is as yet unclear.
© AP Photo / ATSUSHI TSUKADAAokigahara Forest. Located at the base of Mount Fuji, this forest has long enjoyed a mystic reputation.
7/10Aokigahara Forest. Located at the base of Mount Fuji, this forest has long enjoyed a mystic reputation.
© Photo : Public domain/Peter RejcekThe Blood Falls (an outflow of saltwater colored by iron oxide) seeps from the end of the Taylor Glacier into Lake Bonney, Antarctica.
8/10The Blood Falls (an outflow of saltwater colored by iron oxide) seeps from the end of the Taylor Glacier into Lake Bonney, Antarctica.
CC BY 2.0 / Kevin / La Isla de las MunecasThe Island of Dolls (La Isla de las Munecas), is littered by dolls of various styles that were left by the island's original owner in Mexico who supposedly wanted to appease the spirit of a drowned girl.
9/10The Island of Dolls (La Isla de las Munecas), is littered by dolls of various styles that were left by the island's original owner in Mexico who supposedly wanted to appease the spirit of a drowned girl.
© AP Photo / Wilfredo LeeCastle made out of corals, US.
10/10Castle made out of corals, US.