historic sites For landmarks and historic sites in Cascade (using the city's current official definition of that neighborhood) see Cascade, Seattle. With the exception of the Pacific McKay and Ford McKay buildings and the boats at Northwest Seaport, all of these landmarks fall within the maximum extent of Cascade, as the neighborhood was understood in the early 20th century. Raisbeck Performance Hall, a former Sons of Norway hall, is now part of Cornish College of the Arts. It sits just south of Denny Way near the William Volker Building (see list above, which is also part of Cornish. Hence, it is officially just outside South Lake Union. References Further reading . External links Seattle City Clerk's Neighborhood Map Atlas—South Lake Union South Lake Union on the Seattle Channel site South Lake Union on the site of the Mayor of Seattle South Lake Union Streetcar South Lake Union Chamber (chamber of commerce) South Lake Union Friends and Neighbors (SLUFAN) Community Council South Lake Union Stories, a student project under the supervision of University of Washington professor Margaret O'Mara, includes a block-by-block study of the neighborhood. Parks and museums Lake Union Park Denny Park MOHAI official website