Friday, October 22, 6 to 9 p.m. Haunticus at Nauticus & the Hunt for Dead October. Have a ghostly good time at this exciting after-hours Halloween event! This year, the theme is “Lost at Sea.” Keep an eye out for the lost crew as you walk the haunted decks and wander inside the haunted Battleship Wisconsin at night! Then, explore Nauticus after hours – Muwhahaha! Enjoy exploding pumpkins, slimy creatures, creepy crafts, ghoulish games and much more! Family-friendly. $7 kids, $5 adults (Adult Nauticus members FREE). Call (757) 664-1014.