Tourmobile Sightseeing began showing visitors the sights of Washington 42 years ago . The company announced that Monday would be its last day of operation . The company had an exclusive contract for tours of Arlington National Cemetery . Martin Luther King Jr. deliver his ' I Have a Dream ' speech , '' Bruce said over the loudspeaker as the bus drove past the newly dedicated memorial to the civil rights leader . A sign on a tour bus at the entrance to the cemetery in Arlington, Va.
Tourmobile Sightseeing began showing visitors the sights of Washington 42 years ago . The company announced that Monday would be its last day of operation . The company had an exclusive contract for tours of Arlington National Cemetery . A sign on a tour bus at the entrance to the cemetery in Arlington, Va.