Tennessee Avenue, Warren Street and C Street, NE have it all–fascinating history, famous architects, excellent architecture, including tiny houses, and all nearby. Of particular interest is the string of one-story homes by Charles Gessford. Meet at the corner of 14th and C Streets NE on Saturday, Oct. 14, 10 a.m., rain or shine, for a free walking tour and learn all about this Capitol Hill treasure. No reservation required. CHRS.org.