Tickets are on sale for the Ghostly Gallivant fundraiser for the Friends of the Cabildo, the support organization for the Louisiana State Museum.

The event will begin with haunting and hilarious tours leaving from the 1850 House Museum Store, 523 St. Ann St., New Orleans, every half hour from 10 a.m. to 3 p.m. Saturday and Sunday, Oct. 25 and 26. The tours will feature appearances by ghosts such as Jean Laffite and the Baroness Michaela Pontalba. Tickets for the tours are $25 for adults, $10 for students under age 21, and free for children.

On Friday, Oct. 31, the Friends will host a Halloween costume party from 6:30 p.m. to 9 p.m. at the Cabildo, 701 Chartres St., New Orleans. Tickets for the gala are $40 in advance and $50 at the door, and include food and drink (beer and wine) from restaurants in the French Quarter.

To purchase tickets for a tour or the gala, contact the Friends of the Cabildo office at (504) 523-3939 or visit www.friendsofthecabildo.org.