If you want on holidaying in the USA, check you national is listed in Visa Waiver Program, which enables citizens of VWP to travel to the United States without a visa from January 12, 2009.
If you intend upon visiting to America, whether you are travelling with fly or even travelling by sea, Electronic System for Travel Authorization (ESTA) become mandatory so must make application for an ESTA. In case you are Apply ESTA, then you fill the form with personal detail and pay ESTA Fee for this.
Prior to deciding to US Customs ESTA Apply you need to make sure you have a passport which can be read by machine. ESTA are screened at the port of visit into the United States which are registered in the Department of Homeland Security’s US-VISIT program.