Pass through the Via Tigellio, which branches off the Corso at around the half-way point, to arrive at the Botanical Garden: a shady and leafy oasis where you can explore exotic species of plants. Two Ficus macrophylla trees, both over 100 years old, rank amongst the highlights here. You can also take part in a guided tour. Just a stone’s throw from the Botanical Garden, you will find the ruins of an ancient Roman amphitheater dating back to the 2nd century AD. Even in its current state, you can still get an idea of the grandeur of days past. Up to 8,000 spectators once occupied the stone steps to watch the gladiator fights taking place in the arena.