DESC: The History Channel offers an exhaustive guide to America's baseball parks in this fascinating and informative program on the subject. Beginning with the creaky wooden structures of the 19th century, this installment in the Modern Marvels series takes viewers through an impressive tour of stadium improvements and redesigns, before finishing with some of the impressive and loftily ambitious projects that have spiralled into the skies in the early 21st century. But it's not just the grand designs of the stadiums that are covered; everything from hot dog sellers to night lighting is covered, making this an interesting historical overview for anyone interested in this particular facet of the sport.