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.

Bora Bora, often referred to as the "Jewel of the South Seas," is the epitome of tropical luxury. Nestled in the Society Islands of French Polynesia, this idyllic island is famed for its stunning turquoise lagoon, ringed by a barrier reef and dotted with overwater bungalows.

Once the commercial center of the ancient world, Ephesus is an archaeological splendor and an essential stop on any visit to Turkey. The city, whose wealth and patronage support its splendid architectural program, was dedicated to the goddess Artemis.

Malawi, republic in southeastern Africa, formerly the British protectorate of Nyasaland, bounded on the north by Tanzania, on the east by Lake Nyasa (Malawi), on the southeast and south by Mozambique, and on the west by Zambia.

Cairns is the majestic entrance to Australia's Great Barrier Reef. This warm, tropical destination is located in Far North Queensland. Must-see attractions in Cairns include the Tjapukai Aboriginal Cultural Park, which educates tourists about indigenous peoples, and restaurant and bar-dotted Cairns Esplanade, which has a lagoon for swimming.