Puerto Rico is a colorful and invincible archipelago. This U.S. territory, irrevocably shaped by colonialism and dramatic weather events, is awash in culture, with much to be learned in its art galleries and its centuries-old citadels. Capital city San Juan is the largest city and tourism hub. Visitors should see Old San Juan, the inviting beaches, and Museo de Arte de Ponce, among the finest art museums in the Caribbean.

Alaska's largest city is the perfect place for anyone who wants a vacation filled with wildlife, outdoor activities, glaciers and gorgeous parks.

Istanbul, previously known as Byzantium and Constantinople, is where East meets West. Situated on both sides of the narrow strait Bosporus, Istanbul is a connector between Europe and Asia.

Costa Rica is a Central American tropical paradise beyond compare. The wildlife is colorful and memorable, from toucans to spider monkeys to sloths. Volcanoes, ziplines, and prime cycling, hiking and surfing opportunities are there for active travelers. For more relaxed vacationers, beaches and vibrant nightlife—from rooftop bars to romantic dining—await.

Shopping, historic temples, lush green spaces and exceptional dining are all part of Tokyo, the capital of Japan. This spectacular, highly populated metropolis holds unlimited options for tourists.