Who would know? Horses and camels -- they don’t mix

Hidalgo

Viggo Mortensen, Omar Sharif

Touchstone, $30

Exciting, old-fashioned entertainment starring “Lord of the Rings” heartthrob Viggo Mortensen as Frank T. Hopkins, a famous long-distance horse racer who travels to the Arabian desert with his trusty mustang to participate in a 3,000-mile horse race, aptly called “The Ocean of Fire.” Though the real Hopkins allegedly played fast and loose with the facts of his life, that doesn’t diminish the enjoyment of the piece.

The DVD includes a short documentary that packs a lot of fun information about the project, such as the fact that the American horses were afraid of the camels.

However, documentaries on the history of the mustang and a look at the writings of Hopkins can be accessed only on DVD-ROM.

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13 Going On 30

Jennifer Garner, Mark Ruffalo

Columbia TriStar, $29

Though it doesn’t have the depth and emotional resonance of the 1988 classic “Big” with Tom Hanks, this fantasy-romantic comedy about a 13-year-old girl who wakes up one morning to discover she is 30 works because of the winning personalities and charisma of stars Jennifer Garner and Mark Ruffalo. Judy Greer also provides a lot of laughs as Garner’s acerbic friend and co-worker.

The digital edition is fun. Though there’s the requisite behind-the-scenes featurette, plus numerous deleted and extended scenes, there is a nice little extra in which the stars reveal just how geeky they were at 13.

An “ ‘80s Outfit Challenge” allows viewers to create the perfect ‘80s ensemble for Garner’s and Greer’s teenage characters, and a “Then and Now” feature compares current conveniences with their ‘80s counterparts.

Director Gary Winick, who helmed the indie “Tadpole,” talks about going from the low-budget independent world to big-budget Hollywood in his commentary. In the audio track, producers Susan Arnold, Donna Arkoff Roth and Gina Matthews chat about their 13-year-old selves, admitting that they all stuffed their bras and pined for Rick Springfield.

*

Zorba the Greek

Anthony Quinn, Alan Bates

Fox, $15

Anthony Quinn’s film career spanned more than six decades. Though he won two best supporting actor Oscars (“Viva Zapata!,” “Lust for Life”), the late actor is best known and loved for this dark 1964 comedy-drama. (He received his second and final best actor nomination for it; his first was for “Wild Is the Wind.”) Quinn is a marvel of energy and mischief as a Greek roustabout with a remarkable zest for life.

Zorba meets and befriends a shy British writer (Alan Bates) of Greek descent who has come to Crete to revive the long-dormant mine his late father owned. Based on the book by Nikos Kazantzakis, “Zorba” was directed by Michael Cacoyannis, who supplies the boisterous commentary track.

Irene Papas and Lisa Kedrova, in her Oscar-winning role as Madame Hortense, also star. Included on the DVD is a “Biography” installment on Quinn, a lugubrious alternate intro that features Zorba as God, a photo gallery and Fox Movietone News clips of the location filming and the London premiere.

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Elvis Presley Collection

Warner, $15 each

The six Elvis Presley musicals that made their DVD debuts Tuesday offer the good, the bad and the ugly of the King’s movie career.

The best is 1963’s “It Happened at the World’s Fair.” Shot mainly on location at the Seattle World’s Fair in 1962, the musical comedy offers a nostalgic look at the international event and features a young Kurt Russell in a small role. (He’d later play Presley in the 1978 TV movie “Elvis.”) Equally watchable is 1968’s “Speedway,” which teams Presley with Nancy Sinatra.

Though 1966’s “Spinout” is pretty forgettable, at least it has a decent supporting cast, including Shelley Fabares and Deborah Walley. But the rest of the Presley vehicles -- 1965’s “Harum Scarum,” 1967’s “Double Trouble” and 1968’s “The Trouble With Girls” -- are overblown turkeys.