Since it first opened in 1962, Taco Bell has not been content to follow in the footsteps of its fast food predecessors. Forging a new path, Taco Bell made delicious and inexpensive Tex-Mex cuisine available to the masses, a feat we'll be forever thankful for.

Some may believe that there is only so much you can do with beef, cheese, and beans, but they underestimate the chain's capacity for creativity and innovation. Even before Doritos Locos Tacos hit the scene, we understood that Taco Bell's imagination knew no bounds. "Think outside the bun" was more than just a slogan; it was a way of life.  

When hunger strikes at 2 a.m., the only logical choice is Taco Bell. Here are 20 reasons why: The 20 Greatest Taco Bell Menu Items of All Time.

RELATED: The 25 Greatest Fast Food Innovations
RELATED: 10 Discontinued Fast Food Items We Want Back
RELATED: 25 Junk Foods We Wish Still Existed