Fort Zachary Taylor State Park will take visitors back in time during February to see what life was like in the 1860s at the time of the Civil War.  Here's information from the Florida State Parks website:

CIVIL WAR HERITAGE DAYS
Fort Zachary Taylor Historic State Park

Date: February 10-12; 9:00 AM - 5:00 PM

Description:

Both entertaining and educational, Civil War Heritage Days offers visitors a glimpse of what life was like at Fort Taylor in the 1860s. Over 100 re-enactors converge to present living history programs including artillery demonstrations, campsite visits, a sea battle and blockade runner trial, land skirmishes, and other performances. Additional information and registration forms will be available in November-December.

Participation Requirements

Fees: Free with park admission

Contact: (305) 292-6850

Directions: Fort Zachary Taylor is located at the end of Southard Street on Truman Annex in Key West.

Source: http://www.floridastateparks.org/forttaylor/events.cfm?viewevent=7017#7017