Mile-high tropical diving in the Rocky Mountains?

Your diving questions answered.

What's new in dive gear

Dive Log: Secret spots & must-see dive classics.

World's first manta ray protected area.

Underwater mazes, clear, rushing fresh water and natural light shows feed the urge to submerge.

Newly discovered reefs expand.

No. 10 in our dive-medicine series, "Ask DAN": Heart Issues & Cardio Medications. For more information on scuba diving health, medicine and fitness, visit scubadiving.com

Here's how to make your photo workflow work for you.