Seven miles outside of historic Athens, the Greek coastal city of Piraeus lies upon the sparkling waters of the Aegean Sea and is the largest passenger port in Europe, servicing nearly 20 million passengers per year.

Cardiff, the capital of Wales, is a city brimming with history, culture, and modern vibrancy. At the heart of its historic charm stands the Cardiff Castle, a magnificent structure that dates back to Roman times and has been a centerpiece of Welsh history for centuries. Explore the castle’s stunning medieval architecture and lavish interiors, or take a walk around the castle grounds, which offer picturesque views of the city skyline.

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.

Baja California Sur is state located in Northwestern Mexico, on the Baja California peninsula. The capital is La Paz. The area is lightly populated. Tourism is the economic mainstay of this region, centered around the beach resort area, Los Cabos. Sport fishing is a major attraction, as well as having some of the best beaches Baja has to offer.

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.