A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

This Stockholm light tower can be controlled by anyone with a smartphone.

This massive sculptural work outside of Paris was four decades in the making—and it's still not quite complete.

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

Live-in sculpture begun by one family in 1979.

This church looks more like a spaceship than a house of worship.

A private garden of sculptural eccentricities.

The shape of this old salt factory complex was inspired by the course of the Sun.

A quarry cum sculpture park where the works of art are chiseled into the very walls.

The world's largest boar is a huge steel titan found at a French rest stop.

Nearly every wall in this French villa has been "tattooed" by artist Jean Cocteau and other famous painters.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

A tiny, forgotten park of surrealist sculptures in Angouleme.

Experience architect Le Corbusier's modernist design for living in the home he designed for himself.

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

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

The world's only museum devoted to the wonders of fluorescence.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

One of the most iconic neon ads of former East Germany.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

Before he was forced to flee the country under Nazi rule, Albert Einstein spent his summers in this custom-built lakeside house near Berlin.