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.

The capital and largest city in Hungary, Budapest is a favorite European destination for millions of tourists each year. Once the center of the Austro-Hungarian Empire, this cosmopolitan city and UNESCO World Heritage site has plenty of historical and cultural landmarks to explore.

Charming Copenhagen is the jewel of Denmark and a delightful stop for any traveler. Well-known as an eco-friendly haven for sustainable and green living, Copenhagen has embraced its status as the best “bike city” on earth and promoted the use of bicycles by locals and tourists.

This resort town is the gateway to the ruins of Angkor, a complex of stone buildings includes the main temple, Angkor Wat. When you have finished exploring the temples, this chic city has plenty to offer with world-class restaurants, hotels, spas and shopping.

Dar es Salaam, Tanzania’s largest city and economic hub, offers visitors a vibrant mix of African, Arab, and European influences, making it one of East Africa’s most culturally diverse cities. With its bustling markets, lively waterfront, and historical sites, Dar es Salaam gives tourists a glimpse into the country’s rich history and dynamic present.