I have never been to the Laguna Verde in Bolivia, and when I first heard about it I imagined something similar to El Golfo on Lanzarote.

But I was wrong.  It may have a similar background, with minerals from nearby volcanoes being responsible for the colour, whereas El Golfo is easily accessible for tourists, the Laguna Verde is in a part of Bolivia that is scarcely populated, it is much larger, and it is over 4,000m above sea level.

To reach it you will probably want to first travel to Uyuni, and then take a tour of the salt flats from there.