President Barack Obama speaks at a celebration of the 100th anniversary of the U.S. National Parks system at Yosemite National Park, California, on June 18.
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Crowds attend the arrival of President Barack Obama, first lady Michelle Obama, and their daughters, Malia and Sasha, at Yosemite National Park, California, on June 17 to participate in the 100th anniversary celebration of the U.S. National Park Service.
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A motorcade with President Barack Obama and the first family travels through Yosemite National Park in Yosemite Valley, California while celebrating the 100th anniversary of the U.S. National Park Service. Yosemite National Park was the nation's first national park.
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President Barack Obama with first lady Michelle Obama and their daughters, Sasha and Malia (R), walk through Ahwahnee Meadow after arriving on Marine One June 17 in Yosemite Valley, California.
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First lady Michelle Obama and President Barack Obama pose with children after speaking to them about the "Every Kid in the Park" initiative in Yosemite National Park, part of the celebration of the 100th anniversary of the U.S. National Park Service on June 18.
Brendan Smialowski/AFP/Getty
President Barack Obama speaks with park staff before boarding Marine One in Ahwahnee Meadow after visiting Yosemite National Park where he and his family participated in the celebration of the 100th anniversary of the National Park Service.
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Marine One, carrying President Barack Obama and the first family, passes Half Dome while landing at Ahwahnee Meadow on June 17. They had come to Yosemite National Park to help celebrate the 100th anniversary of the National Park Service.
Brendan Smialowski/AFP/Getty
