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ChangeCheckpoint: Painted Ladies
Navigate to Alamo Square Park, where the famous Painted Ladies row of Victorian houses lines the hilltop. Check in once you can see them.
Checkpoint: Palace of Culture
Navigate to the Palace of Culture and Science (Pałac Kultury i Nauki) and check in at its base.
Checkpoint: Palace of the Governors
Walk to the north side of the Plaza and check in on the long Palace of the Governors portal.
Checkpoint: Pantheon
Navigate to the Pantheon at Piazza della Rotonda and check in.
Checkpoint: Park Güell
Navigate to Park Güell, Gaudí's mosaic playground on the hill, and check in.
Checkpoint: Parliament
Navigate to the Hungarian Parliament Building on the Pest side of the Danube and check in.
Checkpoint: Peabody Hotel
Walk west to the Peabody Hotel lobby and check in by the marble fountain (time it for 11 a.m. or 5 p.m. for the duck march).
Checkpoint: Pearl District
Walk or rideshare north along the Museum Reach of the river to the Pearl District (former Pearl Brewery), and check in by the Bottling Department food hall.
Checkpoint: Pearl Street Mall
Navigate to the Pearl Street Mall in downtown Boulder and check in along the pedestrian bricks.
Checkpoint: Piazza della Signoria
Navigate to Piazza della Signoria, the political heart of Florence, and check in.
Checkpoint: Piazza San Marco
Navigate to St. Mark's Square (Piazza San Marco) and check in.
Checkpoint: Pike Place Market
Navigate to the giant red Public Market sign at Pike Place Market. Check in once the team is right under it.
Checkpoint: Pioneer Courthouse Square
Navigate to Pioneer Courthouse Square in downtown and check in on the brick steps.
Checkpoint: Place Jacques-Cartier
Navigate to Place Jacques-Cartier in Old Montreal and check in on the cobblestoned square.
Checkpoint: Plaka
Navigate to the Plaka district at the foot of the Acropolis and check in.
Checkpoint: Plaza de España
Navigate to Plaza de España, the curved tiled showpiece of Seville, and check in.
Checkpoint: Plaza Mayor
The grand square at the heart of old Madrid. Navigate to Plaza Mayor and check in once you are surrounded by red-and-yellow facades.
Checkpoint: Point State Park
Navigate to Point State Park at the western tip of downtown and check in at the central fountain.
Checkpoint: Ponce City Market
Continue north on the BeltLine to Ponce City Market and check in at the main entrance on the Eastside Trail side.
Checkpoint: Ponte Vecchio
Navigate to the Ponte Vecchio over the Arno and check in.
Checkpoint: Powell's City of Books
Navigate to Powell's City of Books on Burnside and check in at the main entrance.
Checkpoint: Praça do Comércio
Navigate to Praça do Comércio (Commerce Square) by the river and check in.
Checkpoint: Prague Castle
Navigate up to Prague Castle (Pražský hrad) and check in once you can see St. Vitus Cathedral.
Checkpoint: Puerta del Sol
Madrid's symbolic center. Navigate to Puerta del Sol and check in.