 The many examples of Palladian architecture are purposefully integrated with the urban spaces to provide "picturesque aestheticism".It is the only entire city in Britain to achieve World Heritage status, and is a popular tourist destination.Important buildings include the Roman Baths; neoclassical architect Robert Adam's Pulteney Bridge, based on an unused design for the Rialto Bridge in Venice; and Bath Abbey in the city centre, founded in 1499 on the site of an 8th-century church.