Scroll down to the information box on the right hand side of the home page. Select United States in the drop-down menu, which appears just above the social media icons. Now you will be able to access all US content. Alternatively, scroll down to the footer of any other page than the homepage and select United States in the drop-down menu.
You can also view all the 4 million global Houzz photos on the UK site. In addition, discussions and professionals can be filtered by country; use the location drop-down menu, located on the left hand side for each of these sections.