Translation of imprison in Spanish

In the end we went up to the tower. We have never climbed so steep stairs ever before and once up we were really afraid to go down. There were no safety installation at this tower.
There we only few tourist visiting this site and the entire setting of the jungle around all structures gave it a very adventurous feeling. Roots of trees were actually covering the walls of the buildings
I just wrote an extremely long blog item but it took so long that I got logged out. I'm too lazy to write again or to write anything at all, so that I will postpone my blog entry to next week.