I have driven past this so many times without ever realising it was here. It is a bit of a tricky turn off from Stirling Highway at Boundary Road but recently signs have been erected to advertise the Buckland Hill WW2 tunnels which form an important part of Perth and WA's history. Although the Leighton Battery site is always accessible the museum and tunnels are open from 10 until 3 every Sunday with tours departing every 30 minutes. Entry to the tunnels is $8 per adult a