An overlooked memorial honoring the local Washington residents who died in World War I.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

A former major munitions plant that has been converted into a sprawling art space.

A superbly preserved example of Georgian residential architecture that was once home to one of the founders of Alexandria, Virginia.

An original apothecary from 1792.

A burial site located in the middle of a road.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.