Theodore Roosevelt and his family attended services at Grace Reformed Church during his presidency. He also laid the cornerstone for the current building in 1902. The church continues to foster its connection to TR by maintaining a history room with an artifacts collection and sponsoring events throughout the year.
Also, from www.cr.nps.gov:
The Grace Reformed Church, Sunday School and Parish House NR is located at 1405 15th Street. Theodore Roosevelt attended this church regularly during his presidency. It is a Gothic Revival church built of Cleveland greystone and bearing sculpture by James E. Early. The church was built in 1902-03 and designed by Paul Pelz and A.A. Ritcher.