 Formerly a major seaport, the town is now of interest for its architecture, scenery and proximity to nature reserves for wading and migrating birds, such as RSPB Bowling Green Marsh on the Exe Estuary, the whole of which is a Site of Special Scientific Interest (SSSI).Topsham Museum is located in one of a set of 17th century buildings looking out over the Exe Estuary.It consists of furnished period rooms, displays of the local history of the town and memorabilia of Vivien Leigh, the film star.