Lake Titicaca is the highest-altitude navigable lake on earth. It spans two countries and thousands of years of civilization. In fact, those who live there consider it the birthplace of the Incas. Read more about this fabled lake and see gorgeous pictures at Environmental Graffiti. Link
(Image credit: Wikipedia user Skykid 123ve)
Gosh, I hate those websites that want you to click 25 times just to read a few lines and see a few pix. Didn't even bother to click twice. Not worth it.
Abusive comment hidden.
(Show it anyway.)