A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

Secret Swing.

This little Vancouver shack is a temple to all things Hendrix.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

This abandoned five-star hotel is now a five-star urban exploration destination.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

An artistic tribute to the famous singer, just around the corner from where he was born.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

A hands-off space for graffiti artists to hone and display their skills.

Five candy-colored villages on the Italian Riviera.

The giant skeleton sculpture is surprisingly well-traveled.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

Giant, pink stuffed rabbit on an Italian mountain.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A long abandoned hospital building on the outskirts of NYC.