 Much of the area is near the Botanic Gardens, a public park opened in 1828, housing rare plant species in the iconic 'Palm House' (also designed by Charles Lanyon); the park is located close to the Stanmillis Embankment along the River Lagan, which consists of a towpath that runs to the town of Lisburn.Northern Ireland's largest museum, the Ulster Museum, is located in the Quarter adjacent to the Friar's Bush Graveyard, a former monastery and one of Belfast's oldest Christian sites, with graves dating to the time of Saint Patrick.The area is also known for its architecture which includes not only the Lanyon Building, but also Union Theological College (a Presbyterian training college used as the base for the Parliament of Northern Ireland between 1921 and 1932), the main building of Methodist College Belfast and Elmwood Hall (a former Presbyterian Church, now owned by Queen's and used as a concert hall).