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Travel is the transport of people on a trip/journey or the process or time involved in a person or object moving from one location to another. Reasons for travel include:

• Tourism—travel for recreation. This may apply to the travel itself, or the travel may just be the necessary investment to arrive at a desired location.
• Visiting friends and family
• Trade
• Commuting–going to various routine activities, such as work or meetings.
• Migration—travel to begin life somewhere else; nomadic people do this
• Pilgrimages—travel for religious reasons
• Research— travel for the gathering of information.

The word originates from the Middle English word travailen ("to toil"), which comes from the French word travailler ("travail").

Mayo Clinic is a medical practice based in Rochester, Minnesota, USA, integrated with hospital facilities and a medical school. The first and largest facilities of Mayo Clinic are located in Rochester, but it also runs additional hospitals and physician practices in Jacksonville, Florida, and Phoenix and Scottsdale, Arizona. In addition, Mayo Clinic partners with a number of smaller clinics and hospitals in Minnesota, Iowa, and Wisconsin, an organization known as the "Mayo Health System". Mayo Clinic was ranked the second best hospital in the U.S. by U.S. News & World Report in 2007 and 2006, and is consistently ranked by other sources as one of the best hospitals in the United States.

In terms of revenue, Mayo Clinic is the state's second-largest non-profit organization, after health insurer Blue Cross and Blue Shield Association of Minnesota. In 2004, the organization took in US$5.6 billion. In terms of nonprofit funding, Mayo Clinic is the largest in Minnesota, with a 2006 income from donations of 266 million dollars. The education and research activities of the Clinic are funded in part by the net revenues of the clinical practice.

Statistics for 2006: 521,000 unique patients, 2.2 million outpatient visits, 135,000 hospital admissions, 619,000 hospital days of patient care, 3,313 staff physicians, medical scientists, and clinical researchers, 2,221 residents, fellows and post-doctoral students, 46,656 nurses and other allied health staff, 5,234 million dollars in revenue from patient care, 186 million dollars in research funding, and 4,076 million dollars in assets.

Mayo Clinic is unusual in the way the medical physicians are paid. In most health care systems, medical doctors are paid based on the number of patients that they see or procedures performed. At Mayo Clinic, medical doctors are paid a fixed salary that is unaffected by patient volume. Salaries are determined instead by the marketplace salaries for physicians in comparable large group practices. This allows the doctors to spend time with their patients and not worry so much about time constraints, and discourages financial incentives for unnecessary tests, consultations and procedures.