This former coal gasification plant found a curious second life as a popular public park.

A wall of chewing gum moonlights as collective art.

Couple's personal collection of pinball machines turned public pinball museum.

A house filled to the brim with oddities and curiosities.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A giant Troll lurks under one of Seattle's oldest bridges.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

This quirky piece of naval artillery has been deafening Canadians for over a century.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

The colorful, smiling concrete silos of Vancouver.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Traditional 15th century Chinese garden in the middle of Vancouver.

This Elizabethan hedge maze is one of only six in North America.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

Budapest's Communist-era statues, banished to the suburbs.

An eerie, derelict amusement park in Berlin.

Colorful and chaotic stacked hotel in North Holland.

A curious collection dedicated to human and animal anatomy and pathology.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The attic of a four-century-old canal house hides a clandestine church.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The history and future of cannabis.