"The Two Babylons" by Alexander Hislop, first published in 1853, is a controversial and polemical work that claims to draw connections between Roman Catholicism and the ancient Babylonian religion. Hislop argues that many of the practices, symbols, and doctrines of the Roman Catholic Church are derived from pagan traditions rooted in the ancient worship of Nimrod, his wife Semiramis, and the Tower of Babel. Despite its criticism, The Two Babylons has had a lasting influence, particularly among certain Protestant and evangelical circles. It is often cited in discussions of the supposed pagan origins of Christian traditions, though most of Hislop's claims have been debunked by modern historians and theologians.