FEARLESS WOMEN TROD ROCKIEST ROADS

★ TRAVELLING 800 miles across America on horseback, 19th-century British explorer Isabella Bird was one hardy lass.

Last night Mel B, Emily Atack and Ruby Wax, left, attempted to follow in her footsteps for new BBC show Trailblazers: A Rocky Mountain Road Trip.

★ Here KIM CARR looks at Isabella and other intrepid female explorers…

■ HEROIC: Emily, left, and Isabella. Raymonde and Gertrude, below