NEW ORLEANS, LA – SEPT 20: US Custom House is a historic 4-story building that once held Confederate soldiers as prisoners by the Union Army after New Orleans was briefly occupied in 1862 during the Civil War.

The Custom Building currently houses the Audubon Butterfly Garden and Insectarium and shares the same address.

Construction of the granite building started in 1848 and continued over a 33-year period. The U.S. Customs Service moved operations inside the building in 1856 making it the first tenant.

The most prominent feature is the Marble Hall at the entrance. The Architectural style is classified as Modified Greek/Egyptian Revival.

Read more history about the Customs building at

US Custom House | 423 Canal St | New Orleans, LA 70130

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