The Iron Gates, a dramatic gorge along the Danube River, is a spectacular natural wonder straddling the border between Romania and Serbia. This striking geological formation carves its way through the Carpathian Mountains, creating breathtaking views that captivate all who visit.

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.

St. Kitts and Nevis is a West Indies island country and the Western Hemisphere's smallest sovereign state.

Landlocked but by no means limited, Tennessee boasts Graceland and Sun Records in Memphis, and the Grand Ole Opry in Nashville. River cruises are becoming increasingly popular here, with Memphis being a key itinerary point on the Mississippi River.

Alghero, located on the northwest coast of Sardinia, Italy, is a seaside city that blends history, culture, and natural beauty.