Some houses are so far outside of the box, they're worth a trip to see. Here are some of the most unusual houses around the United States.
House on the Rock, Wisconsin. The House on the Rock in Spring Green, Wisconsin, actually used to be a private residence, but its 114 rooms have been open for tours since 1960.
Winchester Mystery House, California. Winchester rifle heir Sarah Winchester believed that spirits haunted her, and it took her 35 years to build an elaborate Victorian mansion that she believed would confuse those ghostly apparitions. Completed in 1919, the seven-story, 160-room Winchester Mystery House has secret passageways, upside down columns and other oddities that the superstitious Winchester believed would bedevil those tormenting spirits.
Shoe House, Pennsylvania. Hellam, Pennsylvania's Shoe House, originally used by shoe salesman as a guest house and giant advertisement, has been standing for 70 years and is still a popular tourist destination.
Pickle Barrel House, Michigan. Grand Marais, Michigan's Pickle Barrel House Museum was once a summer home for the cartoonist who drew the labels on Monarch Food's pickle jars and is now on the National Registry of Historic Places.
One Log House, California. A 32-foot redwood on wheels, the One Log House once served as a mobile home for Art Schmock, traveling to county fairs across the United States, but now serves as a cafe in Garberville, California.
Gold Pyramid House, Illinois. The six-story Gold Pyramid House in Wadsworth, Illinois, is a shrine to ancient Egypt, where visitors have toured the 17,000-square-foot house since the late 1970s.