Travel involves the movement of people between locations for various reasons such as work, leisure, or healthcare. It can take place by various modes of transportation including foot, bicycle, vehicle, plane, boat, or train. Tourism is travel for recreational purposes and is often associated with visits to destinations in other countries, but can also involve travel within one's own country. Popular types of tourism include leisure, business, medical, cultural, adventure, wellness, eco, sports, and religious tourism which are undertaken for various motives like exploration, pleasure, relaxation, and discovery.