Photo Modified: Flickr / Jirka Matousek / CC BY 4.0

Explore Puerto Rico's best-kept secret, the island of Culebra, a pristine eco-destination. It’s a natural paradise, home to one of the oldest bird sanctuaries in the US and some of the most spectacular beaches in the Caribbean. Snorkel in a secluded cove and swim among turtles, sting rays, coral reefs, and colorful fish in warm turquoise waters.