Originally built in 1384, this 111-foot-high Ming Dynasty building—which used to hold the alarm drums for the imperial city—marks the southern end of Xian's Muslim Quarter. Various ancient drums are on display inside the building, and concerts are given daily at 9:10, 10:30, 11:30, 2:30, 3:30, and 4:30. After passing through the tower's massive base, turn left down a small side street called Huajue Xiang to find everything from shadow puppets to Mao memorabilia—truly a souvenir heaven. After clearing that gauntlet, you'll find yourself deep inside the Muslim Quarter at the entrance to the Great Mosque.
Beiyuanmen, 1 block west of the Bell Tower, Xian, 710003, China