Every year, the colorful murals of Montreal get a complete makeover.

The biggest museum dedicated to insects in North America, one of the largest in the world.

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

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

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

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

The abandoned tuberculosis sanatorium is said to be one of the most haunted places in Canada.

The fifth-longest natural arch in the world, and the longest outside China.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

Fighting the British and making game shows for over 150 years.

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

Home to the "Rat King" of Nantes and other wonders of the natural world.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

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

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

This beautifully deceptive waterfall is something far different from what it appears to be.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

A museum devoted entirely to the rattlesnakes and snake-related art.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

Dramatic river bend surrounds a natural red-rocked pedestal.