A charming city nestled on the banks of the Rhine, Mainz, Germany lies southwest of Frankfurt and is replete with historic buildings and famous museums. The city's Altstadt district meets the river's edge and boasts a variety of beautiful and fascinating landmarks.

Situated on the north coast of the Snæfellsnes peninsula between a mountain range and the sea is the small town of Grundarfjordur, Iceland. Though certainly now the most well-known town on the peninsula, its nearby mountain Kirkjufell ("church mountain" in Icelandic) is perhaps Iceland's most famous.

Las Vegas, Nevada, is an electrifying city where glitz and glamour meet entertainment and excitement. Known as "The Entertainment Capital of the World," Las Vegas offers an unparalleled array of attractions, from its iconic casinos and luxurious hotels to its world-class dining and live shows. The city's entertainment scene is second to none, featuring legendary headliners, cutting-edge performances, and an array of themed attractions.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Known as "The City with Soul," Jackson is a popular hub for a variety of music genres, including jazz, gospel, and blues music. Highlights include the Jackson Zoo, the Mississippi Museum of Art, and the Mississippi Civil Rights Museum.