Visitor Visa – Travel
Visitor visas are nonimmigrant visas for persons who want to enter the United States temporarily for business (visa category B-1),
The Visa section of this website is all about U.S. visas for foreign citizens to travel to the United States.
Visit the U.S. | USCIS
Generally, if you want to visit (and not live in) the United States you must first obtain a visitor visa.