Investigators say 22-year old Damien Allen of Loxahatchee had 18 guns, and 12,000 rounds of ammo, and threatened to target seven different locations. He was also linked to a romantic relationship online with a teenage girl who shot up a Wisconsin Christian school last year.

Palm Beach County has no shortage of buildings or sites with historical significance — from former homes of renowned pioneers to social or cultural landmarks. Here are 12 places worth a visit — or at least a drive-by — ordered geographically from north to south.