The World's Largest Underground Business Complex.® What is SubTropolis? SubTropolis was created through the mining of a 270-million-year-old limestone deposit. In the mining process, limestone is removed by the room and pillar method, leaving 25-foot square pillars that are on 65-foot centers and 40 feet apart.
Welcome to SubTropolis Storage, the most convenient and secure underground storage facility in Kansas City, MO. Open since 2007, our SubTropolis Storage facility safely stores RVs, boats, classic cars, jet skis, motorcycles, and more in our clean and dry, climate-controlled facility 150 feet below Kansas City, and just minutes from downtown KC! ...
What is SubTropolis? SubTropolis was created through the mining of a 270-million-year-old limestone deposit. In the mining process, limestone is removed by the room and pillar method, leaving 25-foot square pillars that are on 65-foot centers and 40 feet apart. The pillars' even spacing, concrete flooring and 16-foot high, smooth ceilings ...