If visiting Puerto Rico with kids, the shorter, 3-hour cave tubing adventure includes a short 20-minute hike, swimming, and easy tubing through a rapid-free, underground river that runs through a ...

Results: Here’s a map of where everyone guessed Puerto Rico was. Previous map games Group Games. Play the Where is Grand Junction, Hotchkiss, Gunnison, Crested Butte, Salida, Cañon City, and ...

Students sit around a table while they add map data from Puerto Rico to the OpenStreetMap platform at Columbia University on Sept. 29, 2017. Photo by Corinne Segal/PBS NewsHour ...