If you think this is interesting, checkout http://www.caveland.us/ http://www.caveland.us/ - it's a quarried cave that was a roller-rink in the 50s/60s, abandon

If you think this is interesting, checkout http://www.caveland.us/ http://www.caveland.us/ - it's a quarried cave that was a roller-rink in the 50s/60s, abandoned and then converted into a residence.