Man diving from a crane with elastic cord tied to his ankles

National Memorial with carved faces of former presidents Washington Lincoln Jefferson and Roosevelt.

Lake Louise

Lake Louise with chipmunk on rock in foreground.

Visitors beside river looking towards dense pine forest with jagged mountain peak above.

Coral Bay. View along sandy beach toward bay with surrounding rocks lined with palms

The geodesic dome exterior which covers essential buildings at the US Amundsen-Scott South Pole Station.

US Amundsen-Scott South Pole Station. Figure walking through entrance way to the geodesic dome high banks of drifted snow on either side.

US Amundsen-Scott South Pole Station. Man with clipboard at contol panels in the power plant.

Three figures launching a balloon to measure amounts of ozone in the air at various altitudes. US Amundsen-Scott South Pole Station.