David Cifaldi was hiking up Granite Peak, Montana’s tallest mountain, last week when he slipped and fell on one of his trekking poles. A wound nurse, he went into survival mode.
Incredible footage shows the dramatic moment a hiker captured an avalanche on Mount Everest — with the group quickly zipping up their tent as the wall of snow approached.
In 1775, George Washington sent Henry Knox, a Boston bookseller, to fetch 60 tons of artillery. We followed Knox’s route to see how the country has changed.