This southern Mexican state borders Guatemala. Its mountainous highlands and dense rainforest are dotted with several Mayan archaeological sites and Spanish colonial towns.

Rocamadour is a remarkable village set against a steep limestone cliff in the Lot department of southwestern France. Its stone buildings, narrow lanes and ancient sanctuaries rise in stages above the Alzou River valley, giving the settlement a striking silhouette that has drawn visitors for centuries. Pilgrims have come here since the Middle Ages to see the Black Madonna in the Chapelle Notre-Dame and to walk the Chemin de Croix.

Lekki is a rapidly developed coastal district of Lagos, Nigeria, extending eastward along the Lekki Peninsula between the Atlantic Ocean and Lagos Lagoon.

One of the world's highest plateaus (approximately 12,000 ft. above sea level). Home to the Potala Palace, former living quarters of the Dalai Lama. Visit one of Tibet's holiest shrines, the revered 7th century Jokhang Temple, where pilgrims come to prostrate themselves before the statue of the Sakyamuni Buddha, lavishly enthroned in silver and gold.

Long regarded as one of the freest-thinking college towns in the U.S., Ann Arbor is home to the University of Michigan, the Gerald R. Ford Presidential Library and Domino's Pizza. While you're in Ann Arbor, be certain to see the city's many fascinating historic buildings; the Kelsey Museum of Ancient and Medieval Archaeology; and Kerrytown (a diversity of specialty shops and eateries in restored 19th-century buildings close to the Farmers Market).