Off Limits

Don blast and pours gold, retraces the Alcatraz escape, explores an engineering marvel, makes whisky and joins a parade.

Don wrestles alligators, pilots a blimp, ziplines underground, looks at seismic engineering and scales a space age roof.

Don battles fire in Florida; sees the New Year's Eve ball up close in Times Square; makes snow; and disarms an IED.

Don makes Bourbon, explores a subway project, climbs a roller coaster, saves a life and tames a fire.

Don mans the Mars Rover, scales the Bay Bridge, sees the U.S. Mint, and drinks dirty water that has been converted to clean water.

Don goes beneath Las Vegas, a dam and Denver airport, scales an erector-set for NASA shuttles and goes down an icy track in Utah.

Don takes apart old cars, cleans out the pipes at an aquarium, digs for seas salt in Utah, visits NASA testing grounds in Ohio, rides atop a tramcar in Palm Springs and demolishes a bridge in a bridge in New Hampshire.

Don blasts through the streets of Ohio, climbs up to the roof of Cowboys Stadium in Texas, rips apart old cars, gets behind the scenes of fire, water and ice spectaculars in Las Vegas and hides out in a bomb shelter.

Don grooms an Olympic ski jump, fires off a few rounds, gets front row for a rocket launch and demolishes a pier.

Shooting the rapids and mucking out pig stalls in North Carolina; the secrets of bull riding in Texas; exploring a tunnel boring machine in Miami; casino security in Las Vegas.

Don is bobbing for logs in South Carolina, blasting granite and trains with a pit crew in North Carolina; explores sea caves off the coast of California, and gets in the cockpit and behind the controls of a 767.

Drag racing in North Carolina; water slides in Texas; diving under Denver Union Station; sorting packages in Louisville.

Ripping off a roof in Philly; carving stone for the National Cathedral; a look at a jet engine in N.C.; testing fireworks in California.