The word extreme means different things to different people, and to these homeowners it means pushing the envelope as far as possible. Construction to completion, take an up-close look at some of the world's most spectacular houses ever built - from a modern Italian castle to a seaside house made of refrigerator panels, from a floating home that was a ferry boat to a spherical house that revolves with the sun - and find out what makes them all so unique.

Ten years ago, Danielle and Aaron purchased an extreme fixer upper from her uncle after it had been run down by previous renters. She knew she had to have it and despite a long list of problems, she somehow convinced Aaron that they should become the home's owners. Ten years later, the to-do list hasn't gotten any smaller and the daily battle against the home's troubled past has caused a total flip-flop in the hearts of Danielle and Aaron. He wants to stay and she wants to go. Competitors Hilary and David step into the mix to size up the impending challenge. Hilary and her design team aim to renovate the home in order to convince Danielle to stay, while Realtor David plans on showing the couple new houses in order to convince Aaron to move. Desperate for a worry-free family home, Danielle and Aaron will have to decide... can they love their home again or will they list it?

Ever wonder what happens after our house hunters choose their new homes? In this episode we revisit some of our most memorable buyers, including one woman who talked her fixer-phobic husband into a massive renovation in Jensen Beach, Florida, with eye-popping results. We'll also catch up with a couple who moved into a turn of the century home in Bozeman, Montanta, and gave the place an extreme makeover, while discovering some surprising things about life in Big Sky country. Finally, we'll follow up with a Palm Springs buyer who dreamed of creating the ideal retirement destination for himself and his friends, a crew he nicknamed "The Golden Boys". See how he transformed a dated mid-century space into something bigger and much better on House Hunters: Where Are They Now?

Archie and Erica have sold a citrus nursery and are moving their three young boys to the Great Barrier Island off the eastern coast of New Zealand. But far from just moving, they are conducting an experiment in being as environmentally friendly as they possibly can. On the Great Barrier, home owners reduce their ecological foot print by living off the grid and need to do everything themselves from generating their own power to waste disposal. In short, this family gives new meaning to going green. But they can't find a home by themselves. They need an island expert that not only has some properties to show them, but who also knows the ins and outs of adjusting to island living. It's green to the extreme when House Hunters discovers the Great Barrier Island.

After keeping up a long-distance relationship for three years, Sarah and Carl Day married and moved to Sarah's home state of California, a far departure from Carl's native England. Ten years later, the couple has decided to give up the sun and surf to give England a try. Though Carl looks forward to reconnecting with his family, the drastic change in lifestyle is weighing on both of them. After selling their modern-style home in the US, the couple looks for a period property with lots of character and a garden, and enlists the help of realtor Brian Russell. But is the extreme change in lifestyle too much for the couple to deal with? Find out, as House Hunters heads across the pond to Buckinghamshire, England.

Now that he's about to be discharged from the army, Joe and Hanmi are ready to trade in their one bedroom Savannah apartment for a spacious, dog-friendly home in midtown Atlanta. Property expert EgyptSherrod vows to stretch their tight budget as far as possible, but her first challenge is getting them on the same page. Hanmi loves condo-style living, but Joe has his heart set on a home with a big backyard. Since they'll both be going to school, the couple needs a low-maintenance property. But when the price is right, even an extreme fixer-upper looks enticing.

Meghan Zobeck and Matt Peterson have always had a lot in common. They're high school sweethearts who've spent most of their lives devoted to sports careers. Meghan is a player contract negotiator for the Denver Broncos, and Matt organizes extreme sporting events for a lucrative sports production company. They love their jobs, but overlapping sports seasons doesn't allow them to see much of each other. They're ready to take a leap of faith and follow a passion that will allow them to spend time together on a new career path. These two dream of owning their own winery one day and they're ready to start learning the business from the ground up in Napa Valley. The only catch? Buying a home in wine country is a tricky and expensive undertaking... especially now that the market is hot and inventory is low.

There aren't a lot of couples that would consider a bear hunt in Alaska the perfect honeymoon but, then again, Sheri and Trey Coker are not your average couple. This Arkansas duo, after tragically losing her parents and his dad, realized life was too short to sit idly by. So they packed up their belongings and four dogs, and set out for Alaska. Camping along the way, they endured extremes of suffocating heat and bitter cold. Now, with Trey starting a new job at the University of Alaska Fairbanks in a week, and winter fast approaching, camping is no longer an option. They're in a race against the clock to find the perfect place to call home.

Newlyweds Alison and Carter Arnett's home sits in a picturesque neighborhood. However, step inside and their kitchen reveals a much different story. Working with a budget of only $3,500, Alison and Carter take DIY to the extreme. From sanding and staining their own cabinets, to cutting their own countertop, the couple tries to trim costs wherever they can. Unfortunately for the young newlyweds, with every dollar saved, there are a dozen tears shed.

When it comes to buying hunting and fishing property in our nation's heartland, nothing beats a real estate company made up of hunters and fisherman. The guys at Whitetail Properties have the leading edge on where to buy the perfect piece of land, a gem of a country home or even an entire hunting lodge. They don't just take their buyers on a house tour; they go an extreme adventure to give them a hands-on instruction guide to Living Country.