Friends, relatives and co-workers tackle obstacle races designed to test physical and mental limits.

This fish-out-of-water reality series follows four American icons and their dedicated guide as they embark on a hilarious month-long adventure across the globe. As the notorious squad travels to some of the world's most famous destinations, they witness extraordinary moments and discover a whole new world of trouble to get into. From life-changing spectacles to eye-opening cultural experiences to hysterically unexpected twists at every turn, these trips promise to be ones they will never forget.

Competitors tackle the world's most difficult obstacle course.