Stretching from the fishing village of Puerto Morelos to the biosphere reserve of Sian Ka'an, the Mayan Riviera offers an unforgettable Caribbean coastline experience. Divers and snorkelers will be dazzled by the wrecks of Xcaret and the Puerto Morelos reef. Use a zip line to descend into the sacred subterranean caverns of LabnaHa Eco Park, where you can snorkel an underground river under a canopy of stalactites. The nearby Tulum Monkey Sanctuary will put you in a playful mood.

One of the top diving destinations in the world for its bright storybook coral reefs, the island of Cozumel is also home to a variety of natural beaches. Choose a beach with soft white sand for relaxing, or snorkel off a rockier vista. A destination for both adventure and romance, Cozumel has a year-round Caribbean climate, untrammeled jungle and abundant nightlife.

Puerto Aventuras mingles tropical beauty with the riches of the sea. Beaches are fantastic, with powdery, white sand, and there's excellent fishing as well. For a fun day, explore the eco-archaeological park Xcaret, or snorkel at Xel-ha, a natural inlet water park. The Mayan ruins at Tulum, only 25 minutes away, are another must-see.

Puerto Morelos, a peaceful village on the Mayan Riviera, is a place to experience the genuine Yucatan. Puerto Morelos makes an excellent base if you’re looking for someplace quieter than glitzy hotspots like Cancun and Playa del Carmen. Government eco-reserve designations protect the reef and mangroves—and the village itself—from development. Outdoor options range from thrilling jungle and diving adventures to serene bike rides or moped explorations.

Akumal means "Place of the Turtle" in the Mayan language, and if you snorkel here, you just might see one swimming alongside you. (Don’t touch it, though. That’s prohibited by law.) You’ll definitely see coral and beautiful fish in the clear, sparkling waters. This tourist-friendly little town is about an hour south of Cancun—but it seems light-years away.

Tulum is relaxation and romance with an ancient angle. Guests can enjoy modern takes on traditional Mayan massage and spa treatments, or sunbathe on gorgeous Yucatan beaches within site of well-preserved ancient ruins. A rare mix of beach, archeology and village, Tulum is a romantic getaway like no other.

It’s not just for spring-breakers. Cancun, with its golden beaches and perfect climate, is the premiere coastal destination in Mexico. And while there is certainly a 365-day party available for college students, resorts cater well to families and to those seeking solitude. This Yucatan paradise is also the gateway to the ruins of Tulum and Chichén Itzá.

Just north of Cancun, this seaside resort community is a far cry from the spring-break crowd. Bordered on one side by the Mexican Caribbean and the other by a wetlands wildlife preserve, the vibe in Playa Mujeres is one of laid-back luxury in a natural, untouched landscape. Unlike many other such tranquil places, Playa Mujeres is not a pain to get to. It's an easy ride from Cancun airport.

You may have all heard that everything is bigger in Texas. Well, Dallas does its best to fulfill that promise. You'll find several museums with vast art collections and fascinating specialty museums like The Sixth Floor Museum/Texas School Book Depository, which, though small in size, offers an immense amount of information about the assassination of John F. Kennedy. And of course, visit a local steakhouse for a terrific (and enormous) meal.

It’s no wonder Napa made three of our lists this year… it might just be the world’s most perfect spot for a weekend getaway. What more do you really need than romantic inns, great food and wine, and relaxing spas?

Tucked into the Klamath Basin at the southern tip of Upper Klamath Lake, the sunny city of Klamath Falls is in a perfect position to offer cultural excursions and adventurous retreats. Learn about the city's beginnings along the Oregon Trail by riding the quaint Trolley or taking a historic walking tour. Venture to the trails and lakes in the region for cross country skiing, hiking, canoeing or bird watching. Keep an eye out for the bald eagles that make this part of the country their home.

Day-trip distance from Buenos Aires, the Tigre River Delta offers porteños (Buenos Aires residents) and tourists alike a playground for everything from horseback riding and hiking to fishing and swimming. Comprised of hundreds of tiny islands, the Tigre is about 20 miles northeast of Buenos Aires and is reachable from the city by trains, then by boat from the train station. While the main attraction here is the delta itself (formed where five rivers come together), you’ll also find a Naval Museum, restaurants and playgrounds for kids. Several tour companies offer day-trip excursions to the Tigre River Delta—but visitors also can book stays in area bed & breakfasts and adventure lodges.

A laid-back village in the heart of the Patagonia region, Villa La Angostura is the perfect escape for vacationers who love the alpine feel of misty mountain forests. Nibble on locally made artisan goodies while you breathe in the crisp Andes air. Ski bunnies and snowboarders will fall in love with Villa La Angostura in the winter—it's an absolute fairyland of perfect powder.

The Algarve's sunny shores offer perfect escapes for all types, from those seeking the hot nightlife of flashy, energetic Lagos to those desiring secluded stays in rambling Sagres. Portugal's most southerly region offers historical attractions in former Moorish capital Silves and fascinating Tavira, great golf, fabulous beaches from Praia da Luz to Armacao de Pera, thermal springs at Caldas de Monchique, and miles of limestone caves and grottoes, cliffs and bays along its rugged coastline.