Home of the oldest fraternity in the world and the UK's second biggest charity donor, Freemason's Hall is on one of the finest art decor buildings in the UK. The building houses a museum rich in masonic artefacts and there is a tour of the building every hour which will blow your mind. The library also offers facilities for family tree searches for mason and non-masons alike. Admission is free!
Freemasons' Hall, 60 Great Queen St, London WC2B, UK