If you think London is all modern glass towers, think again. Beneath the bustling streets lie centuries‑old stories that still shape the city today. From Roman walls to medieval cathedrals, the ancient world is right here, waiting for you to explore. This guide gives you the basics, the must‑see spots, and the hidden tricks locals use to get the full picture.
First stop: the remains of Londinium. A short walk from the Tower of London, you’ll find the Roman Wall Street and the ancient amphitheater beneath the modern plaza. Bring a camera – the stonework still shows the original mortar pattern. Next, head to St Paul’s Cathedral. While the dome looks Renaissance, the foundations date back to the 7th century church that once stood on the site. Peek at the crypt for a glimpse of early Christian burials.
Don’t miss the historic market area around Smithfield. It sits on top of a Roman burial ground and later became a medieval meat market. The nearby St Bartholomew’s Hospital still uses a 12th‑century courtyard, offering a quiet spot to imagine medieval physicians at work. Finally, swing by the Temple of Mithras in the City – a hidden underground shrine discovered during 19th‑century construction. It’s small but gives a real taste of ancient Roman religion in Britain.
Most tourists skip the lesser‑known sites because they’re tucked away or lack big signs. A simple tip: look for brass plaques on street corners – they often mark where ancient streets intersected. For example, the plaque at the corner of London Wall and Bishopsgate tells you exactly where the Roman gate stood. Follow the line, and you’ll walk the same path Roman soldiers once patrolled.
Another secret: the hidden garden behind the Guildhall. It sits on the footprint of the old Roman basilica, and a few stone fragments are still visible near the fountain. Bring a map of the ancient city (easily found online) and match the stones to the Roman grid – you’ll feel like an archaeologist on a city hunt.
Lastly, check out the underground tours offered by the Museum of London. They dive into the depths of the ancient sewer system, showing how water was managed over two millennia. The guide explains why certain neighborhoods stayed populated while others were abandoned, giving you a clearer picture of how the ancient world shaped today’s layout.
Mixing these big attractions with hidden gems lets you experience London’s ancient world without feeling like you’re just ticking boxes. Grab a map, wear comfy shoes, and let the city’s past surprise you at every corner.