Flanking the east coast of Mexico’s Baja California Peninsula, the Cabo Pulmo National Park is known as the aquarium of the world as it houses some of the largest varieties of marine wildlife and corals. This ecological jewel stretches for about 100 kilometers and makes for the ideal spot for getting up close and personal with some stunning sea life. You can swim with Manta Rays at Mar y Sierra or go free diving and snorkeling along the coast where the colorful and abundant hard coral will leave you spell bound. This rich marine ecosystem is approximated to be about 20,000 years old, making for some of the most ancient coral formations, many of which have turned to solid stone. Surrounded by stunning mountain ranges and pristine beaches, the national park houses one of the largest three living reefs in North America where scuba diving and snorkeling are extremely popular.