Russians, Chinese, Brazilians, and others are traveling abroad as never before as the world's growing middle classes get itchy feet.
Zimbabwe's President Mugabe, who signed an agreement to co-host a UN tourism conference, now has an honorary position as envoy, despite a long record of human rights abuses.
Amid greater political stability and increased efforts to attract visitors, Middle East tourism is outstripping the markets in Asia and Europe.
Why some say travelers should think twice before boarding.
Is this trip necessary? A jet lands in Montreal. Proponents of air travel tout its importance to the global economy. Detractors say per-passenger emissions carry too high a cost.
Impressive growth of visitors from nontraditional places, including China, now put tourism ahead of gold mining.