ET has exclusively learned that the newlyweds left the wedding venue in a RV and are now at the popular outdoor destination. Mila and Ashton were then spotted by a Twitter user
checking into the Ahwahnee Hotel
, a historic landmark set on the valley floor. The luxury accommodations, which date back to 1927, boast views of several popular Yosemite attractions, including the Half Dome, Glacier Point, and the Yosemite Falls.