Certificate valid for a one-night weekend stay at The Tremont Plaza Hotel in Baltimore, MD. Reservations required and based upon availability. Expires July 31, 2007. Two passes to the Babe Ruth Birthplace and Museum in Baltimore. Expires November 3, 2007. Two passes to the Baltimore & Ohio Railroad Museum in Baltimore, MD. Expires November 30, 2007. Two complimentary admission tickets to the USS Constellation Museum in Baltimore, Maryland. Coupon admits up to four adults to Homewood House & Evergreen House - the Historic Houses of Johns Hopkins University. Not valid for special events.