Zambia by Marsel van Oosten (by NatGeo*)
LONELY ISLAND An aerial view shows Mont Saint-Michel, a tourist attraction and Unesco World Heritage site, in northwestern France Thursday. The Gothic-style Benedictine abbey is built upon a rocky tidal island. (Photo: Kenzo Tribouillard / AFP-Getty via the Wall Street Journal)
A diver ascends to the bottom of the sea ice at the Cape Evans Wall, a popular dive site for scientists in McMurdo Sound. (Photograph by: Rob Robbins; via Antarctic Photo Library)








