#21 A breathtaking in-person look at Leonardo da Vinci’s The Last Supper:
#22 Step inside the Wienermobile—yes, this is what it actually looks like:
#23 Venice without water? This is what a fully drained canal looks like:
#24 A rarely seen view of the Statue of Liberty from behind:
#25 Disney World's clever trick—how the Haunted Mansion is hidden in plain sight:
#26 This is what a completely empty CVS store looks like:
#27 16 stories beneath New York City, this is what you'll find:
#28 Tokyo has four miles of tunnels 72 feet underground to prevent flooding—this system is massive:
#29 A breathtaking sunset…on Mars:
#30 Did you know cooling towers have an open bottom? Here’s proof:
#31 The US-Canada border as seen in Idaho:
#32 This monument to the doomed Donner Party shows just how deep the snow was during their tragic journey:
#33 The Golden Gate Bridge under construction—before it became an icon:
#34 A rare glimpse inside the White House during its reconstruction in the late 1940s:
#35 A stunning aerial view of the pyramids of Giza from a plane:
#36 Inside Big Ben—this is what’s behind one of its clock faces:
#37 Central Park in New York City as it looked during the Great Depression:
#38 A rare plane window view of Antarctica:
#39 You’ve seen Grant Wood’s American Gothic…
#40 …but this is what the inside of the actual house in the painting looks like:
