A cyclist rides the path around Lake Harriet on Memorial Day in Minneapolis on Monday, May 25, 2020. The area around the Lake Harriet Bandshell was busy but not crowded on Memorial Day evening. (Photo by Jeff Wheeler/Star Tribune via AP Photo)

Flamingos preparing to take flight are reflected on Lake Tuz, which hosts thousands of flamingos every year, in Ankara, Turkiye, on June 24, 2025. This year, the lake has seen a decline in flamingo numbers due to drought, prompting the birds to shift their migration route to other wetlands across Turkiye. (Photo by Harun Ozalp/Anadolu via Getty Images)

Located in East Java, Indonesia, Kawah Ijen is a volcano is home to the largest acidic crater lake in the world. What turns the waters of the lake in the 1 km caldera its beautiful turquoise color are the highly sulfuric gases emitted from the volcano underneath.

A flock of starlings flies over Lake Leman on an autumn morning in the Lavaux near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)

A man rows a boat on the Dal Lake as a woman holds an umbrella during snowfall in Srinagar February 19, 2015. (Photo by Danish Ismail/Reuters)

A visitor and autumn foliage are reflected in the lake at Stourhead gardens in Wiltshire, Britain, November 2, 2018. (Photo by Toby Melville/Reuters)

A white ibis takes a shower at Lake Eola in Orlando, Florida, US on September 29, 2025. (Photo byRonen Tivony/NurPhoto/Rex Features/Shutterstock)

An Andean man and a woman, depicting Inca's legendary characters Manco Capac and Mama Ocllo, pose for a portrait in a Uros island at Lake Titicaca before a re-enactment in Puno November 5, 2014. The Uros islands are a group of 70 man-made totora reed islands floating on the lake, which according to Peru's tourism board iPeru is the world's highest navigable lake at over 4,000 meters above sea level. The Uros people fish and hunt, but tourism is their main source of livelihood. (Photo by Enrique Castro-Mendivil/Reuters)