Click underlined content for a link about it. 

Movies:

 Hidalgo - 2004, a man and his horse race across Saudi Arabia

 Misty - 1961, based on the book "Misty of Chincoteague, it's about two orphans who want the Phantom on pony penning day

Black Beauty - 1972, based on the book "Black Beauty", tells about the life of a horse through his own eyes

National Velvet - 1945, based on the book "National Velvet", about a girl who wants to enter her horse in a famouse steeple chase

Two Bits and Pepper - 1996, and old favorite of mine, about two girls and their brave horses

 The Horse Whisperer - 1998, my absolute most #1 favorite! Beautiful images, about a girl and her horse that are "reunited" with the help of a horse whisperer after their accident. Based on the book (again).

 Wild Hearts Can't Be Broken - 1991, about a girl who dives horses for show business and has to face a disability

Books:

 Heartland - a book series about a girl who lives on a horse rehab farm and trains them

Magazines:

 Horsewyse - a fun magazine I get from Australia

 Young Rider - a magazine mostly for younger children but still fun to read

 Horse Illustrated - good info on riding and horses in general

 Practical Horseman - a magazine every rider should own (hence the name "practical")