The Irish Republic's second largest city is a surprisingly appealing place - you'll find time passes effortlessly during the day, and by night the pub scene is lively. The town center is uniquely situated on an island between two channels of the Lee River.

Are you ready to go to the End of the World? Stunning views of snow-capped mountain peaks await you in Ushuaia, located on the southernmost tip of South America. This small coastal town sits between the Martial Mountains and the Beagle Channel and is a popular embarkation point for Antarctic cruises. Visit some of Ushuaia's popular attractions, including Les Éclaireurs Lighthouse, Tierra del Fuego National Park, Lapataia Bay, and the Museo del Fin del Mundo.

Just outside of Tucson lies Saguaro National Park, which is home to hundreds of saguaro cacti, the iconic symbol of the old West. There are endless scenic hikes and wildlife habitats, and the Arizona-Sonora Desert Museum isn't to be missed. The star of the park, of course, are the cacti themselves, and there are few more beautiful sights than seeing them silhouetted against the beauty of a magnificent desert sunset.

A major industrial area in the Loire Valley, it is an ancient city and was often visited in pilgrimages to pay homage to the tomb of St. Martin, a former bishop of Tours.

Caracas, (ke-rä´kes), located in Northern Venezuela, is the capital and largest city of Venezuela. An extremely cosmopolitan city, it is a major industrial center, shipping through the nearby Caribbean port of La Guaira.