Oshkosh Symphony Orchestra - Unofficial page including history, links, and contact information. Grand Opera House - A restored 1883 Victorian theater offering diverse performing arts. Oshkosh Public Library - Describes materials and services, information about programs, and access to catalogs. Paine Art Center and Arboretum - Tudor revival mansion and garden designed in the 1920s for Oshkosh Lumber baron Nathan Paine and his wife. Oshkosh Public Museum - Open since 1924, presents exhibits created from a collection of more than 250,000 artifacts, images, and documents. EAA AirVenture - Annual air show located at Wittman Regional Airport. Information such as times, rates and camping information are included.