Featured 1:00 PM - 3:00 PM Open Hours at Abigail Adams Birthplace Featured July 20 @ 1:00 PM - 3:00 PM Open Hours at Abigail Adams Birthplace Open hours at the Abigail Adams Birthplace continue. Cost: $10 for adults, $5 for children, and members are free! Please note: Visits are by guided tour only. Tours begin on the half hour, with the last tour starting at 2:30 p.m. Free – $10.00