What Led Zeppelin album contains "Stairway to Heaven"?

Led Zeppelin IV, also known as Led Zeppelin untitled, is the album that contains "Stairway to Heaven," one of Led Zeppelin's most iconic and timeless songs. Released in 1971, this album showcases Led Zeppelin's musical versatility with a blend of hard rock, folk, and blues elements. "Stairway to Heaven" stands out as a masterpiece, featuring intricate guitar work, haunting lyrics, and a dynamic arrangement that gradually builds to an epic climax. It has become one of the most celebrated rock anthems of all time, solidifying Led Zeppelin's place in music history and securing Led Zeppelin IV as a classic album in their discography.