Home Slickdeals Museum Day 2020: Ticket Holder + Guest Admission Free (Select Venues; Valid... Slickdeals Museum Day 2020: Ticket Holder + Guest Admission Free (Select Venues; Valid on April 4, 2020) By ARCOM - 28 February 2020 126 0 SHARE Facebook Twitter Go to the deal page: Museum Day 2020: Ticket Holder + Guest Admission Free (Select Venues; Valid on April 4, 2020)