Thrill seekers in New Zealand base jump from an observation deck and plummet 630 feet without a parachute. Then, adrenaline junkies rappel down an ancient mountain in South Africa and try not to vomit on a centrifuge in Florida.
Friends face their fears on North America's largest zip line in Whistler, B.C. Then, actors brave a coaster in Pennsylvania where the floor is ripped out from underneath; and thrill seekers bungee jump in the Swiss Alps.
Friends head to Pattaya, Thailand to bungee jump off a 20-story crane at 70 mph; riders in Missouri take on one of the fastest wooden roller coasters ever built; and thrill seekers free fall into a canyon in Colorado.
Friends reconnect with their inner child while dropping 30 stories on Canada's tallest and fastest roller coaster. Then, soccer mates in France ride a bike off a 90-foot ski jump; and firefighters go iceless bobsledding in Utah.
Hip-hop dancers head to Florida to take on a drop tower that propels them 335 feet down at 60 mph. Also: Coworkers in Texas are suspended in the air before falling 130 feet into a net; and adrenaline junkies swing over a canyon.