USA is famous for its tourism and you can visit thorough ESTA VISA Travel. It is inter linked with your passport but Visa Waiver Program (VWP) permits foreigners to visit into the United States without any visa. Only 37 VWP country citizens participating are now eligible to Apply ESTA under the VWP program.
The purpose of Visa Waiver Program is only for only travelling purpose or business purpose. Presently, Visa Waiver Program in participating foreign countries such as Germany, Japan, New Zealand, Singapore, United Kingdom & other 32 countries are listed in this program for ESTA VISA USA.
A VWP applicant must send an Electronic System for Travel Authorization (ESTA) to enter into the United States under this program.