A wall of chewing gum moonlights as collective art.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A museum dedicated to the history and exploration of both popular music and science fiction.

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

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

The oldest landmark of Toronto is a testament to shifting sands.

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

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

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

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

A swaggering, monumental souvenir of the most extravagant party Montreal’s ever thrown.

This crumbling industrial fortress has attracted daredevils, filmmakers, and historians.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Its columns were all carved from the same white oak tree.

Two thirds of this Montreal neon icon has survived to flash another day.