The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.

Mount Kenya, the majestic volcanic mountain located in central Kenya, is a natural wonder that captivates visitors with its dramatic landscapes and rich biodiversity. As Africa's second-highest peak, standing at 5,199 meters (17,057 feet), Mount Kenya offers an array of trekking routes that lead adventurers through lush forests, alpine meadows, and glacial valleys.

Located northwest of Cairo on the Mediterranean coast, Alexandria is one of Egypt's most spectacular cities and an important historical, industrial, and economic center for the country.

Guayaquil, Ecuador, is a vibrant port city and a frequent starting point for cruises to the Galapagos Islands.

It's the largest of the three U.S. Virgin Islands, lying 40 miles south of St. Thomas and St. John. While its history is laced with tales of pirates and privateers, the island today maintains a slower, more quiet pace than its sisters to the north.