Great Blue Hole
It was Selected because The great blue hole is underwater sinkhole measuring 984 feet deep and is 394 feet across. It’s one of the top 10 diving spots in the world. The Great Blue Hole is located in Belize, USA. The Great Blue Hole is considered one of the wonders because it has the same factor of being the biggest one of the biggest or tops in the whole worlds. The nearest city to the Great Blue Hole is Belize city, Belize.