AdvertisementA Hitchhiking Robot's Journey West Ends Early ... In PhiladelphiaAugust 02, 2015Eyder PeraltafacebookEmailHitchBOT, a hitchhiking robot, sits with German tourists Sarah Strempel and Eric Vogel in the back seat of a vehicle as they and their companions prepare to leave Marblehead, Mass., after picking up hitchBot for its first ride on July 17. (AP)