Constructed in 1802, the foreboding structure at 21 Magazine Street (pictured in 1933) served as a city poorhouse and hospital before being repurposed as Charleston’s Old City Jail. Operational through 1939, the jail housed some of the city’s most infamous inmates, ranging from 19th-century pirates to Lavinia Fisher, considered the first female serial killer in the United States. In 2016, Landmark Enterprises purchased the building and transformed it into the Twenty-One Magazine event venue during a seven-year, multimillion-dollar renovation. Its third floor now includes offices, while the ground level is available to explore during nightly excursions…..