Home   Tour Information   Registration   Confirmation and Ticketing   Refunds and Exchanges   Special Accomodations Registration Two ways to purchase tours: 1. By Phone: 301-564-6200. 2. Online. For tour registration and information please visit the AAPD Tour Desk located in the Marriott Wardman Park Hotel, May 22nd through May 25th. Thursday, May 22 10:00am – 1:00pm Friday, May 23 7:00am – Noon Saturday, May 24 7:00am – 11:00am Sunday, May 25 8:00am – 10:00am See you at the conference and welcome to Washington!