2. Boston Dynamics Special Edition Spot ($750,000)

Custom titanium alloy construction and improved capability define this special edition of the well-known Spot robot dog. Advanced radiation-resistant components, underwater operation capability up to 30 meters depth, and patented sensor arrays allowing it to identify chemical, biological, and nuclear threats define the special edition. Every item is hand-assembled by a group of top engineers and goes through rigorous testing procedures, which helps to explain its premium pricing tag.