Photograph by Arne Hodalic, Corbis. Built like a castle on a peak in the Haraz Mountains of Yemen, a town nearly blends in with its craggy surroundings. This region of central Yemen features many of these fortified towns.
Singapore Skyline. Photograph by Jimmy Lam, Redux
An infinity pool offers unmatched views of Singapore, the tiny city-state that’s become one of the wealthiest states in the world. High-rise condos and skyscrapers dominate the landscape, and luxury hotels and shops lure visitors.
Grand Canyon Clouds. Photograph by Harun Mehmedinovic, National Geographic Your Shot
National Geographic photographer John Burcham shoots an unusual cloud cover at Grand Canyon National Park in Arizona. Nearly five million people travel here each year. So many feet have stepped cautiously to the edge of major overlooks that in places the rock has been polished smooth. But most of the park’s 1,904 square miles are maintained as wilderness.
Mount Bromo, Indonesia. Photograph by Ivan Tykhy, National Geographic Your Shot
Smoke rising from Mount Bromo doesn’t faze an Indonesian man taking a break with his horse. The East Java volcano is just one of about 130 active volcanoes in Indonesia, which sits atop the western reaches of the Ring of Fire, a zone with volcanoes and frequent earthquakes.