 The interior of the undercroft, accessible from the gardens, has a rib vaulted ceiling and houses a collection of Roman and medieval stonework.In 1999, the hospital and surrounding area in Museum Gardens was one of three sites in York to feature in an edition of the British Channel 4 television show "Time Team".Between the Museum Street entrance to the gardens and the River Ouse is a short stretch of York's city walls, which ends at the medieval Lendal Tower.