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

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

Possibly the world's largest coin stands just outside of a Canadian science center.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Marvel of green building techniques that sings with the wind.

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

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A mysterious stone embedded at the base of a historic Boston building.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

This abandoned five-star hotel is now a five-star urban exploration destination.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.