JR Tashjian Download Small (768×1024)70 KBMedium (1152×1536)138 KBLarge (1536×2048)225 KBOriginal Size (2654×3539)1 MB Alternative Text: The Washington Monument, an obelisk on the National Mall in Washington, D.C., backlit by a setting sun with a sky scattered with clouds and surrounded by a circle of American flags.