The results of our Top 100 Readers Choice Awards are in! You voted on the world's best destinations for cave diving, and here are the winners!

Looking for your next big-animal encounter? Check out the winners from around the globe of Scuba Diving's Top 100 Readers Choice Awards for Best Big Animals.

Learn more about technical and recreational diving at some of the most pristine locations in the country, and immerse yourself in the beauty of your national marine sanctuaries. Sanctuary waters are filled with unique ecosystems waiting to be explored, harboring a spectacular array of plants, animals and historical artifacts. NOAA provides a wealth of information related to diving and permits required to dive these national treasures.

California’s seldom-visited sites north of San Francisco harbor unique kelp kingdoms and other amazing underwater dive experiences.

Want to plan a trip to dive at California's Sonoma Coast? Here's what you need to know before you plan your vacation, and an itinerary of fun things to do and great places to eat while you're traveling!

Many of the world's hottest shark scuba diving spots also offer can't-miss topside thrills to keep your heart rate up between dives.

From a distance, it looks like a huge oil spill - but when you look closer, you can see that it's actually a massive school of fish. Samples of these Northern anchovies were taken to the lab for analysis, but scientists are still unclear on why they appeared off the coast in such shallow water.

Love historic shipwrecks? Read about the City of Chester, which NOAA recently discovered in San Francisco Bay. This Gold-Rush-Era steamship was an amazing discovery off the Golden Gate Bridge, and touts fascinating maritime history.

Bridges, piers and oil platforms are prime real estate for attracting marine life, from tiny critters to oceangoing giants. Here are some of the world's best.