McMurdo is distinctive not only for its scientific role but also for the unusual scale of daily life in Antarctica. The station has a power plant, medical facilities, dining services, workshops, communications systems, and specialized vehicles used to support research in extreme conditions. Nearby Scott Base, operated by New Zealand, provides another important Antarctic research presence on Ross Island. McMurdo also supports flights and overland journeys to remote parts of the continent.

Kerak is a fortress town 75 miles (120km) from Amman, and contains one of the two major Crusader castles in the Kingdom. The castle, built to protect the approach to Jerusalem, stands on a craggy plateau 4,300ft above sea level. It was built in the early part of the 12th century and held for 50 years by the Crusaders until they were defeated by Salah al Din (Saladin) in 1189.

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.

Kalmar Union, combination of the crowns of Denmark, Sweden, and Norway, effected at Kalmar, Sweden, by Margaret I in 1397. Because all three crowns were elective, the union could not be maintained by inheritance. Margaret's successors controlled Sweden intermittently until Gustavus I of Sweden dissolved the union (1523). Norway became independent in 1814.

Nestled in the heart of the Black Hills, Custer, South Dakota is a small town with big stories. Established in 1875 during the Black Hills Gold Rush, Custer holds the distinction of being the oldest town in the region still in existence. Today, it serves as a gateway to some of South Dakota’s most iconic sights. With historic buildings, locally owned shops, and friendly diners lining Mount Rushmore Road, it offers a laid-back atmosphere that balances Old West charm with modern-day hospitality.