Lincoln Memorial Reflecting Pool

[1] Part of the iconic image of Washington, D.C., the reflecting pool hosts many of the 24 million visitors who visit the National Mall annually.

Depending on the viewer's vantage point, it dramatically reflects the Washington Monument, the Lincoln Memorial, the Mall's trees, and the expansive sky.

[4] Using funding from the American Recovery and Reinvestment Act of 2009, the National Park Service reconstructed the Lincoln Memorial Reflecting Pool.

Paved walking paths were added to the north and south sides of the pool to replace worn grass and to prevent further erosion.

In May 2011, workers began sinking the first of 2,113 wood pilings into a 40-foot-deep (12-meter) layer of soft, marshy river clay and some dredged material atop bedrock to support a new pool.