Reaching Horizons was created in 1992.
Burning Horizons was created in 1993.
UK Horizons was created in 1997.
Unknown Horizons was created in 2008.
Horizons - Epcot - was created in 1983.
Above Horizons was created in 2009-06.
The Far Horizons was created in 1955-08.
Distant Horizons was created in 1997-01.
Far Horizons was created in 1999-05.
Photographic Horizons was created on 1949-01-12.
Medical Horizons was created on 1955-09-12.
Book of Horizons was created on 2004-05-25.
Science Horizons Survival was created in 1984.