The ruins of the "20-year town" lay out among the mountains of Alberta.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

This natural sea cave hides a small wonderland of natural turquoise beauty.

The century-old plant starred as the villainous clown's lair in the miniseries based on Stephen King's "It."

Historic psychiatric asylum and most-filmed location in the Great White North.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

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

A walk through the historic city center, under the streets of Seattle.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A 16th-century horror show built in a lovely Italian garden.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

The sign at the garden gate reads: "These Plants Can Kill."

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A bizarre house filled with an astounding array of collections.

Abandoned railway line circling the city of Paris.

Medicinal spa created with the discharge from a geothermal energy plant.

The fairy tale castle of the "fairy-tale king."

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.