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find Halloween events for every vibe.

Historic events
in O'Fallon, IL

Historic
O'Fallon
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Benton Park Halloween Tour primary image

Benton Park Halloween Tour

Saturday at 17:00

Benton Park

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NBAC Public Tours 2025 primary image

NBAC Public Tours 2025

Sat, Nov 8, 11:00 AM

National Building Arts Center

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St. Louis Place: Millionaires Row and More primary image

St. Louis Place: Millionaires Row and More

Sunday at 14:00

St. Louis Place Park

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Benton Park Halloween Tour primary image

Benton Park Halloween Tour

Fri, Oct 31, 5:00 PM

Benton Park

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Ghosts of Glen: Haunted History Walking Tour primary image

Ghosts of Glen: Haunted History Walking Tour

Tomorrow at 19:00 + 1 more

Glen Carbon Heritage Museum

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Lafayette Square: A Tour of Gilded Age St. Louis primary image

Lafayette Square: A Tour of Gilded Age St. Louis

Sat, Nov 1, 2:00 PM

Lafayette Park

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Ghost Hunt at the Bellefontaine House primary image

Ghost Hunt at the Bellefontaine House

Tuesday at 19:00

Bellefontaine House

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Illinois Statehood Day 2025 primary image

Illinois Statehood Day 2025

Wed, Dec 3, 9:00 AM

Inn At 835 Boutique Hotel

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