Michael Portillo reaches the Rocky Mountains of Colorado at Canon City, from where he heads out into the spectacular gorge of the Arkansas River aboard the historic narrow-gauge Royal Gorge Railroad. Along the way, he learns how controversy over the construction of the railroad caused bullets to fly.

In Colorado Springs, Michael discovers an unexpected British outpost where he is enlisted to join the cricket team.

At the foot of Pike's Peak, a choir sings an iconic American hymn, composed at the turn of the 20th century and inspired by the magnificent views to be seen from the summit. Michael heads 14,115 feet above sea level to see it for himself, aboard the Pike's Peak Cog Railway.