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

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A touching tribute to the "Wonky Donkey."

Known as "Toronto's Flatiron."

Canada's largest dinosaur skeleton was hidden away in storage for more than 40 years.

This whimsical fountain pays tribute to Toronto's four-legged friends.

Visitors to this public park will also find the ruins of an old western fort.

This church on a Tohono O'Odham reservation has stood since 1797.

This playground sculpture of an icon from the past is dedicated to the children of the future.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

This angular brutalist playground turns playtime into modern art time.

Amsterdam's Red Light District leaves little to the imagination.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

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

The world's largest dark sky preserve is a Canadian park established to preserve the country's last wood bison.

The granite head appears to be deep in thought and half buried in the ground.

Temporary Burning Man sculpture made of two 18-wheelers.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.