and the Interbay Golf Course. Five late 19th century houses near Smith Cove, known as the Fourteenth Avenue West Group, have official status as a city landmark. There is a miscellany of light industrial, warehouse, wholesale, and retail businesses along 15th Avenue West, as well as a few professional offices and some housing. There continues to be a small shopping and dining neighborhood at West Dravus Street, the former Grand Boulevard. Near the Magnolia Bridge on 15th is the Center for Sex Positive Culture. A bicycle and foot trail comes north from the Central Waterfront by Belltown through Myrtle Edwards Park continues through the pier facilities around Smith Cove and parallels the railway tracks on their west through Interbay, ending on the west (Magnolia) side of the tracks on 20th Avenue West about three blocks south of Dravus. On April 2, 2015 Expedia, Inc. announced their purchase of the Amgen "Helix" facility along Elliot Ave. for $228.9m and their plans to move their corporate headquarters there from Bellevue, Washington by 2018. References Further reading BOLA Architecture + Planning & Northwest Archaeological Associates, Inc., Port of Seattle North Bay Project DEIS: Historic and Cultural Resources, Port of Seattle, April 5, 2005. Accessed online 25 July 2008.