Cities around the world will briefly go dim Saturday evening as the lights of buildings and landmarks are shut off for one hour to raise awareness about climate change.

Egypt's City of the Dead is one of the country's largest cemeteries, dating back to the 14th century. As Cairo's population swells, the graveyard provides cheap and even free housing.

A U.S. company unveiled its two-seat ship for space tourists, Lynx, on Wednesday. It plans to begin test flights in 2010.

Canada's annual seal hunt begins Friday, as activists protest the government's allowance of more killings this year over last year. Warning: graphic imagery

The snake charmers of Morocco's Jemaa el Fna Square in Marrakech are legendary among tourists, but they are under criticism for using snakes from the wild that are dwindling in number.

A 70-year-old tortoise gives birth, a sandstorm blankets Beijing, Indians celebrate spring in living color, and more.

In Northern Kamchatka in Russia, indigenous people hold an annual festival to celebrate reindeer, complete with racing, wrestling, and cooking competitions.

Iran is preparing for Persian New Year, which begins with Thursday's spring equinox. The celebrations, called "Nowrūz," last 13 days, according to the millennia-old tradition.

Art comes "alive" in a South Korean hologram exhibit that includes 3-D animations of da Vinci's "Last Supper" and "Mona Lisa," the Associated Press reports.

A European spaceship is en route to become the first unmanned craft to dock with the International Space Station.

See the earliest known photo of Helen Keller and Anne Sullivan, Uncle Sam in a sad state, a groundbreaking space image, and more.

A big quake rocks Britain, the New York Philharmonic entertains North Korea, a galaxy is ablaze with new stars, and more.

Former wildlife poachers are now guiding tourists through eastern India's Sunderbans National Park, home to some 270 Bengal tigers.

At 541 feet tall, the Singapore Flyer is the world's largest observation wheel. The island city's sudden thunderstorm wind gusts were a challenge for designers.

A new monkey debuted in a London "rain forest," a beagle bounded to glory in New York, Japanese children huddled in igloos, and more.