Home to the oldest botanical garden in the Americas, St. Vincent is energized by rushing rivers and waterfalls and is fast becoming an "in" resort area. Volcanic in origin, St. Vincent features an active volcano, mountainous terrain, and a rainforest.

Tunis' white-washed, blue-shuttered buildings hide a treasure trove of Arabic and Ottoman art. Inspect illuminated manuscripts from the Koran, follow the twists and turns of the fascinating old Medina (inner city), marvel at the ornate Palace of Dar Ben Abduallah and the magnificent Djamaa-Ez-Zitouna Mosque, whose 184 columns were "recycled" from the rocky ruins of Carthage.

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.

Traditionally regarded as the highest navigable body of water in the world (in reality there are higher lakes in Chile and Peru), Lake Titicaca is immense: its dimensions measure 233km from north-west to south-east and 97km from north-east to south-west. The lake has an indented shoreline, 36 islands and exceptionally clear sapphire-blue water.

Nha Trang, located on Vietnam's southern coastline, is a vibrant city renowned for its stunning beaches and dynamic culture. This coastal paradise boasts a 6-kilometer stretch of golden sand along Nha Trang Beach, where turquoise waters meet palm-fringed shores, perfect for sunbathing and swimming.