Holidays are expensive. As a matter of fact, Americans often spend more on a week-long trip than on a month's rent or mortgage. br br These are the 10 best places to go in the USA in 2020: br 1.Denver, Colorado br 2.Los Angeles br 3.Miami br 4.Hawaii br 5.San Diego br 6.Washington DC br 7.San Francisco br 8.Maui br 9.Honolulu – Oahu br 10.