This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

Secret refuge and museum of the Duke of Florence.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The middle finger of modernity.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

This strangely specific landmark will let travelers know when they are half way there.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

A statue in a Canadian zoo remembers the WWI origins of the beloved character Winnie-the-Pooh.

From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This historic Victorian hotel has a scandalous history of affairs and murder.

Few other hotels can rival the grandeur of the Castle in the Rockies.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Standing in for the first ship to navigate the Northwest Passage.