Blink and you might miss these hidden landscape-expanding homes in the hills of Switzerland. Created by Swiss-based architect <a href="http://www.erdhaus.ch/" rel="nofollow" target="_blank">Peter Vetsch</a>, these charming Earth Houses boast the perfect balance of modern design with an energy-efficient lifestyle. It's an example of organic living spaces at its finest. <br><br> Related: <a href="https://www.hgtv.ca/green-living/photos/20-ways-going-green-will-save-you-money-1896343/" rel="noopener" target="_blank">20 Ways Going Green Will Save You Money</a>

Organic architect <a href="http://www.oshatz.com/" rel="nofollow" target="_blank">Robert Harvey Oshatz</a> was commissioned by a family in Milwaukee to build a home that warmly embraced the site’s surrounding natural beauty. Built from all-natural materials, the Chenequa residence provides unobstructed views of the landscape, allowing the homeowners to be at one with nature. <br><br> Related: <a href="https://www.hgtv.ca/real-estate/photos/these-stunning-and-unique-treehouses-take-seclusion-to-new-heights-1925875/" rel="noopener" target="_blank">These Stunning and Unique Treehouses Take Seclusion to New Heights</a>

Vancouver-based studio <a href="https://www.davidtyrellarchitecture.com/" rel="nofollow" target="_blank">David Tyrell Architecture</a> created this stunning contemporary custom private home overlooking Okanagan Lake. Nestled between natural elements such as mountains and forested areas, this home boasts expansive views as far as the eye can see. It's the perfect way to zen out. <br><br> Related: <a href="https://www.hgtv.ca/real-estate/photos/20-stunning-shipping-container-homes-built-for-any-lifestyle-1924922/" rel="noopener" target="_blank">20 Stunning Shipping Container Homes Built for Any Lifestyle</a>

This gorgeous clifftop cave house was built and designed by Lionel Buckett and overlooks Australia’s vast Blue Mountains range. Inspired by his former company's commitment to energy efficiency, Buckett created his own version of organic living on a 600 acre plot of land that has been in his family's possession since the 1950s. <br><br> Related: <a href="https://www.hgtv.ca/real-estate/photos/airbnbs-spectacular-top-9-rentals-worldwide-1052552/" rel="noopener" target="_blank">Airbnb's Spectacular 15 Popular Rentals Worldwide</a>

This unique custom-designed house is rooted to the landscape on multiple levels, creating a natural sense of privacy by integrating itself within the surrounding terrain. At 4,500 square feet, this spacious private residence designed by <a href="http://www.tsao-mckown.com/" rel="nofollow" target="_blank">Tsao & McKown Architects</a> includes floor-to-ceiling windows that welcome in the natural light.

“In a hole in the ground there lived a hobbit.” So begins J.R.R. Tolkien’s 1937 children’s classic, <em>The Hobbit</em>. Now, lifelong Tolkienites can live like their pint-sized literary heroes in this eco-village in Wales. The original homeowner, <a href="http://www.beingsomewhere.net/" rel="nofollow" target="_blank">Simon Dale</a>, built the tiny home with his father-in-law in an effort to live closer to nature. The home comprises of all-natural resources such as stone, mud and spare wood and solar panels for lighting.

Completed by organic architect <a href="http://www.oshatz.com/" rel="nofollow" target="_blank">Robert Harvey Oshatz</a> in 2004, this modern home occupies a quiet corner in a wooded area in Portland. The main level, which sits among the trees, features walls made of glass, allowing for plenty of natural light – resulting in plenty of opportunities for bird watching and taking in those panoramic views.

Designed by renowned architect Frank Lloyd Wright in 1935, this whimsical home in the forest was later listed as one of <em>Smithsonian</em>'s "28 Places to See Before You Die." Designated a historical landmark in 1966, the residence features beautiful tiered waterfalls and an exquisite design that looks as though the house was itself a natural rock formation.