Technicians walk the Acqua Vergine aqueduct, one of 11 Roman aqueducts that supply the fountains of Rome, including the Trevi Fountain. Speleologists are completing the first-ever mapping of the aqueducts that supplied ancient Rome and still run underground and along viaducts. (ANDREAS SOLARO/AFP/Getty Images) Rome is dotted with thousands of fountains, many known for its historical and artistic significance. While tourists flock to these magnificent structures, including the famous Trevi Fountain, less is known about the vast network of hidden...

Roy's, an abandoned motel on Route 66 in Amboy, Calif. (Noel Kerns) Dallas-based photographer Noel Kernstraveled across America photographing several abandoned gas stations, motels and ghost towns in the eerie dead of night. In order to capture his subjects at nighttime, Kerns uses long exposures that range between one to three minutes in length with some supplemental light. And since Kerns works with very limited light, weather conditions are very vital to his work. (MORE: ) “Weather has a major...

It's not your imagination. There really is a tighter squeeze on many planes these days. The big U.S. airlines are taking out old, bulky seats in favor of so-called slimline models that take up less space from front to back, allowing for five or six more seats on each plane. The changes, covering some of the most common planes flown on domestic and international routes, give the airlines two of their favorite things: More paying passengers, and a smaller fuel...