Borzoi
Height: 28-30 inches
Fun fact: The Borzoi was developed in 13th-century Russia. It was bred as a hunting dog and was often used to hunt wolves. Thus, it is also known as the Russian Wolfhound.
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Kuvasz
Height: 28-30 inches
Fun fact: This breed's name is derived from the Turkish word "kawasz," which means "armed guard of noblemen." Kuvaszes were popular among Hungarian noblemen in the Middle Ages.
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Neapolitan Mastiff
Height: 23-31 inches
Fun fact: In 2005, a Neapolitan Mastiff set the world record for most puppies delivered in one litter: 24. Sadly, only 20 of them survived. Of those, 16 were males and 4 were females.
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Anatolian Shepherd
Height: 26-31 inches
Fun fact: The Anatolian Shepherd Dog originally was bred for guarding livestock, and today they are widely considered one of the best guard dogs out of all dog breeds.
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Scottish Deerhound
Height: 28-32 inches
Fun fact: Originally bred in the 16th century for deer hunting, the breed suffered a decline in popularity as firearm technology made deer easier to hunt. Breeders Archibald and Duncan McNeill revived the Scottish Deerhound, starting in 1825.
Image via Thinkstock
Great Pyrenees
Height: 25-32 inches
Fun fact: The breed is also known as the Pyrenean Mountain Dog. Belle, the titular dog from the classic "Belle and Sebastian" children's books and TV series, is a Great Pyrenees.
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Image via Associated Press
Leonberger
Height: 28-32 inches
Fun fact: The Leonberger originates from the town of Leonberg, Germany. According to apocryphal legend, the breed was intended to resemble the lion of Leonberg's town crest.
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Irish Wolfhound
Height: 32-34 inches
Fun fact: Despite its name, the Irish Wolfhound first appeared in Rome around 391 C.E. The breed was imported to Ireland later, where it was further developed and made larger.
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English Mastiff
Height: 27-36 inches
Fun fact: There is some evidence that a Mastiff was brought over to America on the Mayflower, but the earliest documentation of the breed did not occur until the late 1800s.
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Image via Flickr
Great Dane
Height: 30-37 inches
Fun fact: The world's tallest dog is a Great Dane. His name is Zeus (pictured), and he measures an astonishing 44 inches in height. That's 3 feet, 8 inches tall at the shoulder.
Image via Associated Press
