Delphi is an iconic historical site and was once the sacred precinct of classical Greece, due to its role in Greek myth as the seat of a prophetic oracle. Originally considered the center of the world by ancient Greeks, today's Delphi is a UNESCO World Heritage site and archaeological wonder, filled with the ruins of theaters, temples, treasuries, and other remains of centuries-old architecture.

Yerevan, the capital of Armenia, is one of the oldest continuously inhabited cities in the world, with a history stretching back more than 2,800 years. Despite its ancient roots, it feels vibrant and modern, with wide boulevards, lively cafes, and an ever-present view of the majestic Mount Ararat on the horizon.

Whittier is the perfect place to explore Alaska's natural beauty, providing access to nearby Emerald Cove Trail and Portage Pass Trail as well as Chugach State Park further northwest.

Leiden or Leyden, city in the western Netherlands, in Zuid-Holland (South Holland) Province, on the Old Rhine River, near The Hague. Leiden is also the site of the State University of Leiden, one of the oldest and most distinguished universities in Europe. It was the birthplace of several important Dutch painters, including Rembrandt, Jan van Goyen, and Jan Steen. During the 17th century the English settlers who became known as the Pilgrims took refuge in Leiden before leaving for North America.

Oaxaca, nestled in the heart of southern Mexico, is a city where ancient traditions and vibrant culture thrive. Renowned for its rich history and indigenous heritage, Oaxaca offers a unique blend of pre-Columbian, colonial, and modern influences. The city's historic center, a UNESCO World Heritage site, is a testament to its past, featuring stunning colonial architecture such as the Santo Domingo de Guzmán Church, a masterpiece of Baroque art.