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.

Is there any possible way Las Vegas could not be on our "best nightlife" list? The only way we could possibly omit it is on a technicality—since you can do pretty much anything 24/7 in Vegas, it might be wrong to call it "nightlife."

Vibrant and packed with Victorian mansions, Costa Rica's rowdy, bustling capital was built on the profits of the coffee trade and working "golden bean" plantations still surround the city. Try freshly roasted local beans at Mercado Central. For shinier gold, visit the Museo del Oro. Many renovated landmarks now house stylish hotels. Usually viewed as a hub, rather than a destination, nightlife is concentrated in Spanish village-inspired El Pueblo. Don't miss the elegant 1897 National Theater.

Whether you're into sport, sunshine or salsa, Miami sizzles all year round with exciting entertainment venues and attractions, world-class hotels and restaurants, great beaches and a nightlife that never sleeps. While South Beach, with its hip nightclubs and pastel-hued buildings, gets all the press, other sections of Miami are just as hot and offer culture, recreation and more. Spend the day soaking in the sights and sounds of Little Havana or soaking up the rays at Haulover Beach Park. Explore the Art Deco District or take the children to the zoo. At the end of the day, chill out at one of the area's bars and nightclubs. In Miami at night, the day is just beginning.

At the shore in Miami Beach, visitors can swim, surf and jet ski in the warm and crystal-clear Atlantic waters. You can also nap on the white sands, work on a tan or simply watch the beautiful people, especially at South Beach, a favourite of models and celebrities.

Jamaica’s most energetic city, Montego Bay is both a raucous spring-break party town and a destination for those seeking a more low-key adventure. Known equally for its duty-free shopping, clear-water snorkeling, diverse nightlife and natural beauty, Montego Bay makes for a perfect Jamaican weekend getaway.

If you’re a history buff and a die-hard foodie, Chicago’s your kind of town. Take an architectural-history walking tour, then dine at Alinea (the most celebrated molecular-gastronomy restaurant in the U.S.). And don’t miss the Museum of Science and Industry, the biggest science museum in the Western Hemisphere.

You’ll wonder why you don’t live in Portland after you’ve visited this laid-back and friendly city. With a reputation for manicured parks, eclectic nightlife, fine micro-breweries and distilleries, and nature that cuts right into the city, Portland’s a Pacific Northwest must-visit. Don’t miss the famous Japanese Garden, one of the largest and most beautiful of its kind outside of Japan.

The Dominican Republic lies in the same waters as Cuba and Puerto Rico, taking up the eastern two-thirds of the island it shares with Haiti. Offering a lush interior with a mix of caves, Victorian gingerbread houses and the lore of pirates, plus 900 miles of coastline along its brim, island highlights include riding a cable car up Mount Isabel de Torres and basking on stunning Saona Island. Oh, and did we mention the D.R. is family-friendly, has just about perfect weather and is affordable?

Located about 25 miles from the mainland and accessible via air or ferry, Venezuela's mountainous Margarita Island provides Caribbean-style beaches and access to windsurfing, golf, horseback riding and scuba with a laid-back South American vibe. It's comprised of two islands connected in the middle by the mangrove-filled lagoon of La Restinga National Park. Most development falls on the isle's eastern side around busy Porlamar, the capital La Asunción and colonial Pampatar, founded in 1535.