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

A historic Montreal market that was the city's agricultural hub for over century.

Montreal's colorful subway station shows its support of the local LGBT+ community.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

This shack nestled in a 120-acre forest of maple trees in Mont-Rigaud is a wonderland of sugary syrup.

One of the largest underground systems runs under Canada's largest urban center.

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

The unusual lighthouse looms over waves of prairies with no sea in sight.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

This museum houses two of Mexico's most impressive Aztec monoliths.

Underneath the historic center of Mexico City, the remains of a temple dedicated to the Aztec god of the wind.

The only castle in North America to ever house European sovereigns.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

This beloved, centuries-old tree stands at the center of a small park dotted with archaeological artifacts.

This replica of the Greek structure is in the heart of Nashville.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The only diamond mine in the world where you can keep what you find.

What was once a summer home next to a waterfall has now become littered with graffiti and children in swimsuits.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.