Just in case you thought that the LISP programming was of no practical use outside of academia, I bring you the...

Best Palindrome Ever!*

A man, a plan, a canoe, pasta, heros, rajahs, a coloratura, maps, snipe, percale, macaroni, a gag, a banana bag, a tan, a tag, a banana bag again (or a camel), a crepe, pins, Spam, a rut, a Rolo, cash, a jar, sore hats, a peon, a canal--Panama!

* It is my understanding that Guy Steele wrote the program that generated this monstrosity.