Oxford is best known for its world-famous university, but the city offers much more than historic college halls and ivory towers. Its skyline, shaped by spires and domes, hints at centuries of intellectual life. The University of Oxford dates back to at least the 12th century and includes iconic buildings like the Bodleian Library, one of the oldest libraries in Europe, and the Radcliffe Camera, a circular reading room that looks more like a cathedral than a place for quiet study.

The skyline of Erfurt is shaped by dozens of churches, monasteries, and convents thrusting their pointed steeples upward to the sky. In the Middle Ages, Erfurt was known as "Thuringian Rome" because of its religious orders. The impressive twin churches on the Domberg (Cathedral Hill), the Roman Catholic St. Mary's Cathedral (14th century) and the Roman Catholic Parish church St. Severus with a flight of 70 outdoor steps leading from the Cathedral Square up the hill to the churches.

Potsdam, the capital of Germany’s Brandenburg state, lies just southwest of Berlin and is best known for its grand palaces, landscaped gardens, and role as a seat of Prussian royalty.

Located on the Yucatan Peninsula of Mexico, Chichen Itza is the site a well preserved Mayan ruins, including several large pyramid structures and more.

Padre Island is a long barrier island along the Texas Gulf Coast, extending beside the Gulf of Mexico from the Corpus Christi area toward the southern tip of Texas. Much of the island consists of broad beaches, coastal dunes, grasslands, tidal flats, and shallow lagoons. The northern section is closely associated with Corpus Christi, while South Padre Island is a developed resort community farther south.