Scuba diving and deep sea fishing are a large part of Pensacola's tourism industry. The USS Oriskany was purposefully sunk in 2004 to create an artificial reef off the shores of Pensacola. There are several walking tours of restored 18th-century-era neighborhoods in Pensacola. Pensacola is the site of the Vietnam Veterans' Wall South. There are a number of historical military installations from the Civil War, including Fort Barrancas. Fort Pickens served as a temporary prison for Geronimo. Other military landmarks include the National Naval Aviation Museum and Pensacola Lighthouse at NAS Pensacola. The city's convention and visitors' bureau, Visit Pensacola, is overseen by the Greater Pensacola Chamber. Top employers Arts and culture The arts and theatre There are a number of performance venues in the Pensacola area, including the Pensacola Bay Center (formerly the Pensacola Civic Center), often used for big-ticket events, and the Saenger Theater, used for performances and mid-level events. Other theatres used for live performances, plays, and musicals include the Pensacola Little Theatre, Pensacola State College, University of West Florida, Vinyl Music Hall, and Loblolly Theatre. Pensacola is also home to the Pensacola Opera, Pensacola Children's Chorus, Pensacola Symphony Orchestra, Pensacola Civic Band, Pensacola Bay Concert Band, and the Choral Society of Pensacola, as well as Ballet Pensacola. There is also the Palafox Place entertainment district. Architecture Pensacola does not have a prominent skyline, but has several low-rise buildings. The tallest is the 15-floor Crowne Plaza Grand Hotel, at . Other tall buildings include the Scenic Apartments (), SunTrust Tower (), Seville Tower (), and the AT&T Building (). Historic buildings in Pensacola include the First National Bank Building. Museums Historic Pensacola's Museum of Commerce Museum of Industry National Naval Aviation Museum Pensacola MESS Hall Pensacola Museum of Art Pelican Drop The Pelican Drop was a New Year's Eve celebration that took place each year in downtown Pensacola. At the ceremony, a pelican, the city's mascot, was dropped instead of the typical New Year's ball. The event included live music and fireworks. Since 2008, The Pelican Drop has become a significant attraction in the area, drawing in crowds of up to 50,000 local residents, making it one of the largest events of its kind in the Central Time Zone. In 2014, the event was named as one of the Top 20 Events in the Southeast by the Southeast Tourism Society. History The First Pelican Drop New Year's