Secret Swing.

A miniature representation of Canadian cities and landmarks in incredible—and sometimes hilarious—detail.

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.

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

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

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

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

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

The television series' iconic giant foot was borrowed from this classical painting.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

Banksy gives themself artistic license with this piece of London street art.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

Traveling collection of amazing automata.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.