The primary difference between Westminster Abbey and Westminster Cathedral lies in their denomination, history, and architectural style. Westminster Abbey is a Church of England (Anglican) building and a "Royal Peculiar," meaning it is under the direct jurisdiction of the Monarch. It is a Gothic masterpiece that has been the coronation church for English monarchs since 1066 and is the final resting place of 17 kings and queens, as well as famous figures like Isaac Newton and Charles Darwin. In contrast, Westminster Cathedral is the mother church of the Roman Catholic Church in England and Wales. Located about a 15-minute walk away, it was completed in 1903 and is built in a distinctive Neo-Byzantine style featuring red brick and white stone stripes with a massive campanile (bell tower). While the Abbey is famous for its royal weddings and historical gravitas, the Cathedral is known for its stunning interior mosaics and world-class choral tradition. Visitors often confuse the two, but a quick look at the architecture—Gothic spires for the Abbey vs. a domed, striped tower for the Cathedral—will instantly tell them apart.