Dogs are known as man's best friend for a reason
— they capture our hearts like no other animal can. Loyal,
smart, and unconditionally loving, dogs have played a critical role in human history for thousands of years. There are some that stand out more than others, whether it be for their
acts of courage, heroism, entertainment, or intelligence. The following
list includes some of the most famous American dogs who have earned a spot in our collective memory and heart.