but the peepholes are only about 4 inches wide, and the wall itself about 12 inches thick

We found this tunnel and started checking it out

There were periodic windows of light, so I kept going. I wanted to see where it led

I took stairs down to a darker part of the tunnel, but got too creeped out and came running back!

23. Cartagena - Castillo de San Felipe

September 13, 2019 in Colombia ⋅ ⛅ 61 °F

Castillo de San Felipe is the most magnificent fortress built by the Spaniards for any of their colonies. Cartagena, founded in 1533, was the main port from which Peruvian silver was shipped back to Spain, and as such, became a target for pirates. The Spaniards attempts at making the port impregnable consisted of walling in the city, and constructing forts, the most impressive of which is Castillo de San Felipe.Read more