This weekly trek begins with a gospel church service, followed by a walk through Harlem’s historic sites. Tour guide Neal Shoemaker leads the group to landmarks such as Minton’s Playhouse and the Apollo Theater. R.S.V.P. required; see harlemheritage.com for details. Meet at the Harlem Heritage Tourism and Cultural Center, 104 Malcolm X Blvd (Lenox Ave) at 116th St. Subway: 2, 3 to 116th St.