Cabo Pulmo National Park, Mexico
Who says national parks have to be in the mountains – or even on land at all? Located on the tip of Mexico’s Baja California Sur peninsula, Cabo Pulmo is a coastal wonderland of quiet beaches and rock formations – but its true appeal lies under the surface. Just offshore, the brilliant Pacific waters protect a vast coral reef system teeming with sea turtles and swirling schools of zooming jacks.
Yellowstone National Park, United States
Choosing just one US…

