Yucatán, a Mexican state, is popular for its Gulf of Mexico beach areas and spectacular Mayan ruins. It is bordered by the states of Campeche and Quintana Roo. Mexico’s Yucatán Peninsula is also home to mystical cenotes—natural sinkholes filled with crystal-clear water.

Vicksburg rises above the Mississippi River with stories etched into every street. This historic river town played a pivotal role in the Civil War, and today visitors can trace those events at the Vicksburg National Military Park. Beyond its military legacy, Vicksburg has a rich cultural rhythm shaped by its music, architecture, and river trade.

Brasília may be a World Heritage Site, but it is only of interest to town planning and architecture students, and those keen to witness the folly of man on a metropolitan scale. It must have looked good on paper, and still looks good in photos, but in the flesh, forget it. Designed by architect Oscar Niemeyer, urban planner Lucio Costa, and landscape architect Burle Marx, the city was built in an incredible three years between 1957 and 1960.

Although not accessible by road, it is Peru's most important commerical center in the east. It is on the Amazon which is wide enough to allow freighters at their busy port. The 1880's saw the rubber boom and recently oil has been the boom.

Located on the Rhône River, Avignon is the city to which the Popes fled when leaving the corruption of Rome in the 14th century. The palace they built, 'Le Palais des Papes,' is a breathtaking must see.