Much more explicit knock-offs of the Lord of the Rings are projects like the Hobbit House of Montana,
The Hobbit House of Montana is truly a sound architectural masterpiece that boasts an eco-friendly mentality for heat conservation. The dome ceiling provides a peaceful acoustic experience that softens any stressful mood. As a partially underground suite that is embraced within the earth and designed with aesthetic appeal, it offers many modern day conveniences, yet incorporates the mystique and caricature [sic] of a cozy Hobbit House from the mind of J.R.R. Tolkien.