The destruction of Portland\u27s Union Station in 1961 sparked the creation of Greater Portland Landmarks, but other venerable structures disappeared since then. The Eyrie in Seal Harbor was torn down by the Rockefellers in 1963 because the 100-room house was impractical to use. A John Calvin Stevens-designed bandstand on Portland\u27s Western Prom was taken down by the city of Portland because of vandalism and criminal activity at the site. The Cascades, a Shingle-Style roadhouse built on Route 1 in 1929, was demolished by developer Elliott Chamberlain of Chamberlain Homes in Saco. With details on the St. Lawrence Church in Portland, part of which had to be torn down for safety reasons