This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

A Gothic cathedral created from volcanic rocks.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

The highest peak in the state of Vermont has some interesting features.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

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

A massive, fading granite poem is all that remains of one Whitman superfan's tribute to the famous writer.

This water-locked cliff face is covered in hundreds of ancient pictographs.

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

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.