Like us, you may have never heard of Black Canyon of the Gunnison National Park. Named after a 2,200-foot-deep Gunnison River chasm, the park quickly earned our respect as one of the rawest, most scenic places we’ve ever been. Not for the fainthearted, the Black Canyon is home to Colorado’s tallest cliff, nearly twice the height of the Empire State Building. Early explorers declared the vertical canyon impassable until a fearless duo (Abraham Lincoln Fellows and William Torre