Cincinnati Museum Center is trading juice boxes for cocktails next month, opening Union Terminal's doors to a 21-and-older Halloween crowd on October 22 from 7 to 10 p.m. The evening, dubbed CMC After Hours: Halloween Edition, turns the Museum of Natural History & Science into an adult playground with a costume contest, a scavenger hunt, spooky experiments and a look at some of the museum's creepiest collection items.
The event is part of a special event series held on select Thursday evenings that gives grown-ups exhibit access alongside themed food, drinks, DJ entertainment and karaoke, according to Cincinnati Museum Center. WLWT reported the event, which the museum is billing as a spooky makeover for the scare season. In a statement shared with the station, the museum invited guests to “beware of things that go bump (or bubble) in the night as you wander the exhibits, play assistant to the museum's mad scientists and feel a chill from creepy curiosities.”
Tickets cost $20, per the same station's report, with discounts available for Cincinnati Museum Center members. Themed food and drinks will be available for purchase throughout the three-hour window, and ticket holders can pay with major credit cards or Apple Pay, according to the museum's event page.
Scavenger Hunt and a 500-Foot Cave
The night will include themed activities and a costume contest.
The Cave itself is the exhibit built for exactly this kind of atmosphere. It stretches 500 feet across two levels of replica limestone passageways inside the Museum of Natural History & Science, complete with stalactites, stalagmites and subterranean life meant to simulate real spelunking, per the Wikipedia entry on Cincinnati Museum Center. It was first installed as The Cavern in 1967 at the Gilbert Avenue location and was reinstalled in Union Terminal around 1994.
A Landmark Built for the Occasion
Union Terminal itself carries plenty of history to set the mood. The museum center opened there in 1990, as detailed by Ohio Magazine.
That complex, housed inside Union Terminal, now stands as Cincinnati's largest cultural institution, drawing more than 1.5 million visitors annually across its museums, according to Cincinnati Museum Center. The site holds the Museum of Natural History & Science, the Cincinnati History Museum, the Duke Energy Children's Museum, an OMNIMAX theater and the Holocaust & Humanity Center. Union Terminal also underwent an extensive structural restoration that addressed water damage.
Logistics and the Adult-Only Rules
Because alcohol will be served, the museum runs the event in partnership with in-house food service contractor SSA. Every attendee must show valid identification at entry to confirm they meet the 21-and-over requirement, and onsite parking costs $6 per vehicle, according to The Voice of Black Cincinnati. Parking is free for museum members and for guests using the Museums for All discount program.
Part of a Wider Cincinnati Halloween Wave
Union Terminal's grown-up night adds to Greater Cincinnati's Halloween programming this fall. Hoodline has reported on overnight ghost hunts at Arnold's Bar and Grill.
The Halloween edition also arrives while Cincinnati Museum Center juggles other high-profile projects, including work involving a collections center purchased in 2024 and named in 2025. For one October night, though, the spotlight shifts from museum projects to Halloween fun.
