Yup, that's a 330-foot yacht passing over the highway.

A firefighting museum housed in a historic station whose Lookout Tower watches over Melbourne.

This historic tall ship traveled 1.5 million miles around the globe, and once did duty as the mythical pirate ship in Peter Pan.

The city’s oldest gateway to the galaxy lies at the entrance to the Royal Botanical Gardens.

The 18th-century home was disassembled into 253 cases and brought all the way from the other side of the world.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

A cramped wooden attic that once housed one of the world's first movie studios.

"Purveyors of traditional sweets and vintage treats."

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

Hidden in the courtyard of the Victoria and Albert Museum is a little-known tribute to two celebrity pooches.

William Smith's iconic "map that changed the world" is hidden behind a curtain in the Geological Society building.

The commemorative stone column conceals a secret laboratory.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A relic of Victorian grandeur hides beneath a busy South London road.

High-end antique collection housed in a centuries-old church.

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

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This museum inside a museum tells the story of London's timepieces.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

The secret wartime bunker built on the platforms of an abandoned Tube station.

This overlooked street light once served as a KGB dead letter box.