- Who
- Bishop Castle
- Where
- United States ()
- When
- 1969
The largest castle to be self-built by its owner is Bishop Castle in Colorado, USA. Under construction by welder Jim Bishop since June 1969, the 48.75-m (160-ft) stone and steel structure is still being added to today. Features include stained-glass windows, three towers, the Grand Ballroom and a Fire-Breathing Dragon sculpture!