Senegal's Lake Retba, or as the French refer to it Lac Rose: harmless halophilic bacteria make the water pink. Lake Retba has a high salt content, much like that of the Dead Sea, allowing people to float effortlessly in the massive pink water.
There's a pink version of this photo going around as "Moss Bridges Ireland" or "Bridges Park, Ireland", but this is photo originally looks like this and is not from Ireland but from Saiho-ji Zen Garden in Kyoto Japan
This beautiful train track is naturally covered by green trees and makes a tunnel. Located in Kleven, Ukraine, this train tunnel is named as. “Tunnel of Love” by local people. These incredible photos were taken by Oleg Gordienko.