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

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Murals of the wild parties once held on the frozen River Thames.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

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

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

Impossibly life-like natural history models created out of glass by a father and son.

These expertly crafted, scientifically accurate glass sea creatures were once an international phenomenon.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

This recipe is set in stone.

The floating gallery illuminates the heart of Québec City's arts district.

The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

This colossal reptile celebrates the history of the now-defunct Canadian Turtle Derby.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

This strange portrayal of the state's first lieutenant-governor literally stands on its head.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

This natural history museum houses one of the world's largest rat kings, a terrifying jumble of tangled rodents.

This historic lighthouse has been reincarnated as the perfect picnic place.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

A moss-covered statue of a Japanese Buddhist deity stands at a quiet temple in downtown Osaka.

This quirky museum celebrates the history of a local cod fishing industry.