Panama

Read this paragraph forward or backward and get the exact same letter sequence…

"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!"

Short version: "A man, a plan, a canal, Panama."

Guy Steele Jr.