The Tunnel at the Hilton Baton Rouge Capitol Center offers guests a unique journey through a historic underground tunnel connecting two hotels, transporting visitors to a bygone era. This 1920s-themed speakeasy specializes in absinthe-focused cocktails while capturing the authentic atmosphere of the Prohibition era. The venue combines Baton Rouge's historic architecture with period-appropriate décor to create an immersive experience reminiscent of the city's storied past.