A clear night at Arch Rock, Joshua Tree National Park. This is a self-portrait, made during a four-day stay hiking, camping, and climbing after being sent to a conference at San Diego by Johns Hopkins—it was the perfect combination of work and fun.
(This photo and caption were submitted to My Shot.)
U.S. National Park Week is April 21-29.
Download our new National Parks by National Geographic app and get ready to explore.