Many of the treasures stolen by the Nazis were never recovered. Among the most valuable is Russia's priceless Amber Room ... will it ever turn up?

The legendary Giant's Causeway in Northern Ireland, a UNESCO World Heritage Site, is under threat from rising sea levels due to global warming, a new study says.

Widespread news coverage of Kenya's violence and political turmoil has caused a drop in wildlife tourism that is expected to impact the livelihoods of local people.

A man with milk jars pierced to his back, a boy with a blazing tire, and Gazans fleeing by horse are among the newsmakers of the past week.

Virgin Galactic's Richard Branson and aerospace designer Burt Rutan debuted a model of a ship planned to carry commercial passengers on a suborbital joyride within a few years.

New Zealand crowds honored Everest pioneer Sir Edmund Hillary, who received a state funeral. In Nepal, Sherpas held traditional prayer services for the beloved mountaineer.

See two giants of the sea laid low, three "royal" luxury liners united for the first and last time, a horse driven through a bonfire, and more.

The 15th-century explorer and his crew picked up syphilis-causing bacteria in the New World, a genetic study claims—though some experts say the evidence is inconclusive.

The lost citadel of Paititi may have been found, says the mayor of the Peruvian town where archeological remains were recently uncovered.

One of the world's most accomplished mountain climbers reflects on the life of a legend.

Top climber Peter Athans recalls his friend Sir Edmund Hillary's humor and humility. The Everest pioneer died Friday at 88.

Sir Edmund Hillary describes his historic climb to the top of Mt. Everest...and reveals why there is no photo of him on the summit.

From sipping tea on Everest to tracking the Abominable Snowman, the indomitable New Zealander lived a truly picturesque life.

German zoo plans to hand-rear polar bear cub, Chinese celebrate annual ice festival, broken levee floods 300 homes in Nevada, and more.

Sir Edmund Hillary has died at his home in New Zealand. He and Sherpa Tenzing Norgay were the first to scale Mount Everest, the world's highest peak, in May 1953.