Situated on the Isthmus of Panama, the tropical Republic of Panama is of course best known for its canal. Thousands of ships cruise through the Panama Canal locks each year. Visitors to the country will also find diverse wonders of nature, including plants, birds, and trees. Panama City, its capital, has over a million inhabitants and is a modern, bustling destination.

Palermo, the vibrant capital of Sicily, Italy, is a city where history, culture, and gastronomy converge in a kaleidoscope of experiences. A walk through Palermo is like stepping into a living museum, where Byzantine, Arab, Norman, and Baroque influences blend seamlessly. The Palermo Cathedral, a masterpiece of architectural evolution, showcases a mix of styles from its Norman origins to later Baroque and Neoclassical elements.

Freiburg was founded by the Dukes of Zähringen in 1120, and the layout of streets and squares of the rapidly prospering metropolis is still impressively reflected in today's cityscape.

Copper River, Alaska's fourth largest river travels from the dry interior climate to the temperate rainforest along Prince William Sound.

Isabella Island is the largest of the Galapagos islands, on the western end of the archipelago. Shaped like a seahorse when viewed from above, Isabella is home to more wild tortoises than any other island, as well as a wide variety of other animal, bird and marine life.