In 1790 it became a state prison, the first such in America. Most of the above-ground facilities present today were built between then and 1802. These include the main prison wall, and five brick-and-masonry buildings, all of which now stand in ruins. In 1827, the remaining prisoners were transferred to the new, state-of-the-art Wethersfield State Prison. Attempts were made to reactivate the mines in the 1830s and 1850s, but these ventures failed. The site has been considered a tourist attraction since the 1860s. Nearby Peak Mountain offers a bird's eye view of Old Newgate Prison from the Metacomet Trail.