There are very tall, narrow canyon formations, some with large tunnels between them. (xtcdivecenter.com)
Named after the Tackle Box bar that used to be situated directly onshore (now Shark's Bar), this site features several deep, narrow canyons with vertical walls. (ambergriscaye.com)
Hike through narrow canyons, navigate your way up and over difficult obstacles, and enjoy this quiet, seldom visited trail in Death Valley. (earthtrekkers.com)