Beneath the picturesque Monterey Bay is an underwater canyon more than two miles deep with steep rocky precipices.

The underwater canyon, which rivals Arizona's famous tourist attraction, is rich in strange and elusive marine life.

And sometimes by accident, the biologists fatally wound the animals while extracting them from nooks in the underwater canyon.

Geologists believe they were spawned in the underwater canyons of warm, shallow seas during the Upper Cretaceous period.

If I had to guess, I'd say he's searching for somewhere to hole up for a while, maybe an underwater canyon of some sort.

Deep in the underwater canyon, the Ram coursed generally westward.

He tried to imagine the Charleston tunnel entrance - a black hole in the wall of an underwater canyon.

Significant underwater irregularities, such as underwater canyons and sea mounts, can also affect how the waves come into a surf spot.

One site, Prickly Pear, is an underwater canyon with ledges and caverns at from 30 to 70 feet.

Furthermore, calculations made by Mark Siddall predicted an underwater canyon that was actually found.