From underwater rivers to glowing caves these are 25 places that look like they are from another planet.
Sea of Stars, Vaadhoo Island, Maldives
The surreal blue glow is caused by bioluminescent phytoplankton.
Turquoise Ice, Lake Baikal, Russia
In March, frost and sunlight create cracks in the frozen surface of this lake which cause these turquoise pieces of ice to protrude.
Glowworm Caves, Waitomo, New Zealand
About the size of mosquitos, these glowworms are only found in New Zealand.
Lake Hillier, Australia
The pink hue is due to algae and bacteria.
Caño Cristales River, Colombia
Due to a high level of biodiversity in and around the water, this river appears to flow in numerous colors.