Endless doors at Castillo San Cristobal. Built in San Juan, Puerto Rico, it is the longest tunnel system I’ve ever seen. It is also a National Historic Site and the largest fortress built in the Americas.

A window from the fortress was featured on “From the Old to the New.”

All photos are my own. Β©Pepper Tron/Heavens Sunshine
No usage allowed in any form without my written consent.


Thoughtful words accomplish much.