Sprawling mansions compete with epic Valley views on this heart-pumping, all-uphill, cardiovascular workout. You’ll scale the south side of Camelback via the paved and lightly trafficked Arcadia Drive. Park in the dirt lot along the canal just north of Indian School Road at 48th Street, and keep an eye peeled for the ranch-style stunner where the 2011 young-adult romp Take Me Home Tonight was shot.