A staff{4} on which a flag is hoisted.

A staff or pole from which flags or other signals are displayed, rising from a building.

a tall staff or pole on which a flag is raised

a town in north central Arizona; site of an important observatory

The Flagstaff (Amtrak station) is located at 1 East Route 66 in Flagstaff, Arizona. The Station, formerly the Atchison, Topeka and Santa Fe Railway depot, doubles as a Visitor Center, and is located in the midst of the shops, cafes, and boutiques in downtown Flagstaff. Northern Arizona University is located nearby, as are the Lowell Observatory (where Pluto was discovered), Sunset Crater, the Walnut Canyon National Monument, ski resorts, and other attractions.