Mentioned by insideoursuitcase.com
10 Famous Churches To Visit In London You Need To Visit! – Inside Our Suitcase
"Standing proudly next to the Westminster Houses of Parliament, the home of British politics, is the beautiful and hugely significant Westminster Abbey. Declared a UNESCO world heritage site back in 1987, this church is one of the most important in the UK and dates back to around 800AD. Westminster Abbey is steeped in history and has been the scene of royalty since William the Conqueror in the 1000s."