Waimea Falls, Kauai, Hawaii, USA.
Waimea Canyon, located on the southwestern side of Kauai, is 10 miles long by 1 mile wide at a depth of 3500 feet. The canyon was formed by various volcanic eruptions and subsequent lava flows. Kauai, Hawaii, USA.
Comet Pan-STARRS and a crescent moon as seen from summit of Haleakala National Park (elevation 10,023) where comet was first discovered, Maui, USA. This image was captured on March 12, 2013 approximately 40-minutes after sunset.