Outsider Architecture in Colorado

A home covered with elaborate mosaic and other pieces of art.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

The largest self-built castle in the U.S., six decades in the making.