Dearest Gentle Science Enthusiast,

Pray, prepare yourself for an evening most enchanting.

Step into a night of mystery, glamour, and spectacle at Masquerade Ball, a most extraordinary COSI After Dark affair on Thursday, June 11. Inspired by Bridgerton-esque refined elegance and the dazzling pageantry of a Venetian carnival, this unforgettable soirée marries classical opulence with the delights of modern revelry.

You are cordially invited to don your most exquisite mask and finest attire, as the museum is transformed into a world of music and immersive amusements. At the heart of the evening, a live string quartet performs a spellbinding repertoire, where sweeping classical arrangements entwine with modern melodies, filling the air with romance and intrigue. Their music drifts through the galleries like a whispered secret, beckoning guests to dance, linger, and lose themselves in the moment.

For behind every mask lies a mystery...and within every corridor, a new intrigue awaits discovery.

Join us for an evening of romance, revelry, and late-night wonder at COSI, where melodies enchant, secrets shimmer, and society gathers.

Yours most sincerely,
COSI After Dark

Mask Policy – COSI After Dark Masquerade
To maintain a safe and secure environment for all guests, masks are welcome as part of your masquerade attire but must be removable.
All guests will be required to temporarily remove their masks upon entry for identification and security screening. Guests should also be prepared to remove masks at any time during the event if requested by staff or security.
Full-face coverings that cannot be easily removed are not permitted.
Thank you for helping us create a safe and enjoyable experience for everyone.

COSI After Dark: Masquerade Ball is on June 11, 7pm - 10pm, doors open at 6:30pm.
Tickets are $20/person in advance or $30/person at the door.