Michael Reynolds and his team of builders face the difficult task of building an Earthship home in just four weeks in Montana; the house must be entirely self-sufficient and sustainable.

In the heart of the Alaskan Range, the Perrins brothers work to build an extremely remote hunting cabin made of logs.

Bryce Ward, the mayor of North Pole, Alaska, joins forces with his father, Jeff, to build a family cabin with the help of their lifelong camping buddies; as the team finishes building the cabin, a forest fire threatens to destroy it.

In Montana, a young couple breaks ground to build a luxury yurt with a breathtaking view of the mountains; the solar-powered yurt has a modern kitchen, a second-floor loft, a guest room, and its own stream.

Furniture DIY-ers Ana and Jacob White build their dream cabin in the remote Alaskan interior on Paxson Lake, battling extreme elements while putting their carpentry skills to the ultimate test.

In Carbondale, Colo., a mountain biking group builds a mountain retreat; they use their bicycles to haul their building materials across rugged terrain, and they excavate by hand for a one-of-a-kind experience.