Photograph by Mark Lewis/Getty Images
See our roundup of the best guided expeditions in Central and South America for 2011.
Central America's Mesoamerican Reef is half the length of its famous Australian counterpart but in many ways more remarkable.
A condor's-eye view reveals a colorful mosaic of volcanoes, tile roofs, and flamingos.
Travel Photos From Your Shot
View scenes of Canada's city life and countryside—all taken by our Nat Geo photo community.