San Alfonso Del Mar: Chile
This is the world's largest swimming pool. It is 3000 ft long, and 115 ft deep at its deepest part. With 66 million gallons of water. It uses water filtered from the sea to constantly bring clean water, and eventually cycle it back into the ocean
Golden Nugget: Las Vegas, Nevada
This amazing pool allows you to swim side by side with sharks and some extremely exotic fish. The marine life tank in the middle of the pool, cost 30 million to complete, and even has a large slide around it. Hopefully the glass is strong!