Answer : Parsons is a well-regarded design school in New York, and have opened up a new campus in Paris. It's more of an art school than strictly an interior design degree, but they offer courses that take the student through all aspects of designing spaces for people to live in and be happy.
Lighthouse Design College has programs throughout North America where students can specialize in internships at desired geographic location while earning college credits. For example, Portsmouth NH offers education related to heritage preservation and tourism industry. The college has many partner schools with other institutions abroad that can power double majors or even degrees for qualified students, who want to take their education beyond one country or area of interest.