Nantucket Island, located 30 miles at sea off Cape Cod, Massachusetts, holds one of the finest collections of 18th and 19th century architecture in the country. The island has over 2,400 historic resources and is designated a National Historic Landmark. The Nantucket Preservation Trust (NPT), a small membership non-profit preservation group, is dedicated to the protection of the island’s historic architecture and sense of place. NPT offers a broad range of preservation programs to educate, inspire and encourage historic preservation including architectural walking tours, historic research, house markers, preservation easement, traditional building methods programs, and preservation awards.