Located on the banks of the potomac river old town alexandria is an 18th century colonial american town transformed into a vibrant destination the water reflections and nightlife make it a perfect location for night photography on this two hour walking tour led by a photographer you will learn how to take photos at night enjoy a tour of the old towns waterfront area and hear highlights of 300 years of history this tour is best for dslrcsc cameras and is for small groups limited to 10 pe