Race

The growing gap between America's rich and poor plagues many cities, including Boston, where the economy is flourishing. But a legacy of racial discrimination has left a huge wealth divide.

Lyles Station has been a black-owned farming community since the 1800s. A small number still farm, and their story is told at the Smithsonian's National Museum of African-American History and Culture.

Capt. William Prickitt commanded a company of black soldiers during the Civil War. When he took ill, they saved him. A photo album that he carried the rest of his life has preserved their identities.