Spot a Tidal Basin paddleboat

Spot a DC flag (three red stars two bars)

Find the DC city flag (three red stars over two red bars on white). Photograph it.

Spot a DC Metro M

Find a brown M sign at any DC Metro entrance. Photograph the sign.

Spot a DC mumbo sauce takeaway

Find a takeaway with DC mumbo sauce on the menu (Chinese-takeaway-meets-soul-food). Photograph the bottle.

Spot a DC political-button street vendor

Near the Mall find a vendor selling political buttons, T-shirts and "I ♥ DC" merch. Photograph the cart.

Spot a DC row house (Capitol Hill)

Find a brick row house with a stoop on Capitol Hill. Photograph the row.

Spot a Georgetown cobblestone street

Walk into Georgetown and find a cobblestone street (M Street side streets, the O Street). Photograph the stones.

Spot a half-smoke at Ben's Chili Bowl

Walk to Ben's Chili Bowl on U Street and photograph the storefront with the half-smoke menu.

Spot a horse and Park Police officer

Find a US Park Police officer on horseback on the Mall. Photograph the horse and rider.

Spot a Library of Congress facade

Find the Library of Congress on Capitol Hill (Italian Renaissance facade). Photograph the building.

Spot a Lincoln Reflecting Pool view

Walk along the Reflecting Pool and photograph the Washington Monument reflected in the water.

Spot a Smithsonian banner

Find a Smithsonian Museum banner outside any Mall museum (Air & Space, American History, Natural History). Photograph the banner.

Spot a Smithsonian Castle facade

Walk to the Smithsonian Castle on the Mall, the red sandstone Norman-Romanesque facade. Photograph the towers.

Spot a Supreme Court facade

Find the Supreme Court building on Capitol Hill. Photograph the white marble columns.

Spot a Washington Nationals or Capitals kit

Find a Nationals (red W) or Capitals (red-and-white) jersey. Photograph the kit.

Spot a White House security barrier

Around the White House find the bollards, fences and barriers protecting the perimeter. Photograph the security.

Spot an American flag in DC

Find a US flag on a DC building (the Capitol, embassy row). Photograph it.

Spot an embassy flag

Walk down Embassy Row on Massachusetts Avenue and find a foreign flag flying outside an embassy. Photograph the flag.

Spot cherry blossoms (March-April only)

In early spring find pink-and-white cherry blossoms around the Tidal Basin. Outside the season find a cherry-blossom mural, sticker or souvenir. Photograph the blossoms.

Spot the Capitol dome

Find the U.S. Capitol dome from the Mall or Capitol Hill. Photograph the white dome.

Spot the Iwo Jima Marines Memorial

Find the Iwo Jima Marine Corps War Memorial in Arlington. Photograph the bronze flag-raising.

Spot the Jefferson Memorial dome

Find the Jefferson Memorial across the Tidal Basin. Photograph the dome reflected in the water.

Spot the Korean War Veterans statues

Find the Korean War Veterans Memorial with the marching soldier statues. Photograph the figures.

Spot the Lincoln Memorial columns

Walk to the Lincoln Memorial at the west end of the Mall. Photograph the Doric columns or Lincoln himself inside.

Spot the Old Post Office tower or Trump Hotel

Find the Old Post Office tower (now the Waldorf Astoria) on Pennsylvania Avenue. Photograph the granite tower.

Spot the Vietnam Veterans Memorial wall

Walk to the Vietnam Veterans Memorial and find the black granite wall. Photograph the panel reflectively.

Spot the Washington Monument obelisk

Find the Washington Monument obelisk on the National Mall. Photograph the white spike.

Spot the White House (from across Lafayette Square)

Find a view of the White House from Lafayette Square or Pennsylvania Avenue. Photograph the columned facade.

Spot the World War II Memorial

Find the World War II Memorial fountains on the Mall. Photograph the pool with the state pillars.

Spot Union Station main hall

Walk into Union Station and find the main hall with the gold-leaf ceiling. Photograph the interior.