A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Its columns were all carved from the same white oak tree.

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

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

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

An island graveyard with spectacular views of the Caribbean.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.