Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

Admire dozens of life-size animals made from old scrap metal, nuts, screws, and valves.

Victorian-era Londoners really wanted to believe this 17th-century cistern was actually an ancient artifact.

Taxidermied animals galore, by appointment only.

This coffee shop lies hidden beneath a historic church.

Artworks by loners, prisoners and the criminally insane.

A constellation of golden cobblestones shows the names of local children born under a full moon.

This large sculpture of white plates and forms is actually a huge sound amplifier.

Florentine Renaissance style building in Switzerland, home to the world's largest taxidermy Great White Shark.

An unsanctioned shrine that sprung up outside the late singer's home is causing a stir in London's Highgate neighborhood.

A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

This secret garden has bloomed into London's most unique hub of urban creativity.

Hackney's newest private museum and natural curiosity shop.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

This artificial lake surrounded by Brutalist architecture served as a stand-in for futuristic Britain in Stanley Kubrick's 'A Clockwork Orange.'

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

London's Victorian Tower of Babel.

A wonderfully preserved example of London's 1960s-style high-density, low-rise public housing.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.