Washington DC Super Saver: Hop-on Hop-off Trolley and Monuments by Moonlight Tour. Explore Washington DC at your leisure on a hop-on hop-off trolley and see the city's landmarks illuminated on a guided night tour with this super saver combo. Hop on and off as often as you like at any of 20 trolley stops at landmarks including the White House, US Capitol, Lincoln Memorial and Jefferson Memorial. Then at night, take a guided trolley tour to see the same monuments lit up and hear fascinating anecdotes and ghost stories. Book this tour and Save 11%: Washington DC Super Saver: Hop-on Hop-off Trolley and Monuments by Moonlight Tour.