Head to Hawk Mountain Sanctuary in Kempton to hike, watch soaring raptors and participate in programs about plants and animals native to Pennsylvania. And if you visit on Fridays between April 1 and August 31 you can enjoy Hawk Mountain for the bargain entry fee of 75 cents(regular fees are $5 for adults, $4 for seniors and $3 for seniors). Why 75 cents? To help Hawk Mountain celebrate its 75 th anniversary. To learn more about programs happening at Hawk Mountain visit http://www.hawkmountain.org .