DAS BOOT (Left Fork of North Creek) 
Das Boot photo (Left Fork of North Creek, Zion National Park) -- © 2006 Joe Braun Photography

Beautifully sculpted walls in the subterranean sections!

Das Boot photo (Left Fork of North Creek, Zion National Park) -- © 2006 Joe Braun Photography

Rappelling down the Donkey Kong logs.

Das Boot photo (Left Fork of North Creek, Zion National Park) -- © 2006 Joe Braun Photography

Peering through the Yoda-sized window!

Das Boot photo (Left Fork of North Creek, Zion National Park) -- © 2006 Joe Braun Photography

Every turn of the canyon has some sort of log jammed into the walls.

Das Boot photo (Left Fork of North Creek, Zion National Park) -- © 2006 Joe Braun Photography

Getting ready to swim in one of the darker hallways.

Das Boot photo (Left Fork of North Creek, Zion National Park) -- © 2006 Joe Braun Photography

Ride the pony! Ride the pony! "Now how do I get down from this thing?"

Das Boot photo (Left Fork of North Creek, Zion National Park) -- © 2006 Joe Braun Photography

A narrow corridor of small potholes followed by a swim.