Mary Baker Eddy Library

[2] The Mapparium's other notable features were actually completely unintentional: its spherical shape and glass construction create multiple unique acoustic effects.

Standing in the center of the globe, directly under the North Star, one can hear their voice in surround sound, as though they were speaking into their own ears.

Visitors to the Mapparium may notice such historic differences as Africa depicted as a patchwork of colonies and the USSR united as one nation.

[5] Research & Reference Services is located on the fourth floor of the Library and provides access to original materials that document the life of Mary Baker Eddy, the church that she founded, and more.

The collections include letters, manuscripts, organizational records, photographs, artifacts, books, periodicals, audiovisuals, and other materials available for in-depth research.