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

Canada's subterranean Cold War museum has doubled as a movie set.

Despite the name, the waters of this Canadian lake are actually blue-green in color.

A rare venue to buy specialty maps.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

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

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

These prehistoric replicas were based on actual skeletal remains.

A 1995 memorial acknowledges the tremendous contributions of Vietnamese refugees to Canada.

Cavernous opening completely encased in Karst limestone.

Thermal springs underneath the seabed provide the heat and bubbles for these beachside natural hot tubs.

George Martin's Caribbean recording studio now rots within the shadow of an active volcano.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

Where Saint-Martin ends and Sint Maarten begins (or vice versa).

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

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

A giant gun barrel in Barbados that once hoped to shoot outer space with science.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.