Kaieteur Falls—five times the height of Niagara Falls—are located deep in the rain forest.
Photograph by William Curtsinger
Related Features
-
Best Tours in Central and South America
See our roundup of the best guided expeditions in Central and South America for 2011.
-
Trek the Salcantay Route to Machu Picchu
Get inspired with our Ultimate Adventure Bucket List, a collection of 40 trips that range from totally extreme to actually doable.
-
Last of the Amazon
Brazil's dilemma: Allow widespread—and profitable—destruction of the rain forest to continue, or intensify conservation efforts.