Lake Tahoe is one of the most dramatic and beautiful sights in the World. A natural lake formed at the top of the Sierra Nevada mountain range, it is now a winter sports center, a summer vacation destination and the home of wonderful casinos and resorts.

Kigali, the capital of Rwanda, is a city that blends modern energy with deep cultural roots. Set among rolling hills, it offers striking views at nearly every turn.

Moshi sits on the southern slopes of Mount Kilimanjaro in northern Tanzania, shaped by both Chagga culture and its role as a crossroads for trade and travel.

This Mesoamerican archaeological site was an important regional center and capital of the Toltec Empire between the fall of Teotihuacan and the rise of Tenochtitlan. Tula contains many impressive sights, including the basalt columns carved in the shape of Toltec warriors on the Pyramid of Quetzalcoatl.

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.