A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Look closely and you’ll notice that the color changes a third of the way up the tower.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Home to items never before seen by the public.

A Beaux-Arts triumph set to become Ford's innovation campus

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The only surviving prototype for Buckminster Fuller's house of the future.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

This moving cemetery sphere is a slowly rolling stone.

The first artificial white water river course in North America cuts right through an Indiana city.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

This 19th century cyclorama acts like an analogue time machine to a different era.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Charles Babbage's proto-computer, painstakingly brought to life.

Famously misunderstood wonder of the ancient world

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Go inside to really appreciate this 500-year-old technological masterpiece.