RainCleans These tunnels were constructed 40m underground and made from granite and brick and still. The tunnels are now abandoned but still exist behind the falls. ​ Sewerfresh snuck into these massive tunnels back in 2007. I highly recommend the read. [https://sewerfresh.com/posts/67/Niagaras-supervillain-hideout](https://sewerfresh.com/posts/67/Niagaras-supervillain-hideout)
RainCleans
These tunnels were constructed 40m underground and made from granite and brick and still. The tunnels are now abandoned but still exist behind the falls.
​
Sewerfresh snuck into these massive tunnels back in 2007. I highly recommend the read. [https://sewerfresh.com/posts/67/Niagaras-supervillain-hideout](https://sewerfresh.com/posts/67/Niagaras-supervillain-hideout)