As provided by the Article1, Section 8 of the United States Constitution, the seat of the United States government is a federal district known as the District of Columbia. When created in 1790, the District comprised 100 square miles of land donated by the states of Maryland and Virginia.
This cache is not accessible from the busy 309 highway, so don't stop. Parking coordinates provided take you to a shoulder that is wide enough for you to park. Should be a quick find. The cache contains a log and a BIG $1 prize for FTF. BYOP. No credit without your signature. Ignore the motorized muggles, what can they do anyway.