Walking distance from Tower Bridge and Saint Peter's. Use the Monument stop on the Underground. If you have the time, take a few hours to admire the Gothic detail and beauty of this complex. It will take at least that long to appreciate all it has to offer. It is composed of more than a thousand rooms and three miles of hallways connecting all of them.
Most trials are open for public viewing.
This is considered Christopher Wren's masterpiece. Saint Paul's was commissioned to replace a church that had been leveled by the Great Fire of 1666. Work was begun in 1675, and completed in 1710. Eventually, the cathedral also became Wren's final resting place. It is also the final resting place of Admiral Nelson.