More than 300 days of sunshine annually (more than San Diego or Miami Beach) earns Denver high marks with visitors and make sunglasses a must. For the city's most energetic shopping, dining and entertainment spots, point your compass in the direction of Larimer Square, the Tivoli, LoDo and the 16th Street Mall.

Explore Punta del Este, a popular resort town on the coast of southeastern Uruguay. A favorite summer destination for locals and tourists alike, Punta del Este offers spectacular beaches, delectable eats, fascinating museums, and truly luxurious resorts.

Located on the southern end of Baja California Sur in Mexico, the Los Cabos municipality is a popular resort destination. Including the stunning city of Cabo San Lucas, Los Cabos offers spectacular beaches, panoramic ocean views, and a variety of fun activities, including golfing, hiking, and snorkeling.

Alghero, located on the northwest coast of Sardinia, Italy, is a seaside city that blends history, culture, and natural beauty.

Lifou Island, the most populous of the Loyalty Islands in New Caledonia, is a flat, former coral atoll with abundant vegetation and surrounded by secluded coral reefs which many say offer some of the best snorkeling in the world.