An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

This small red school was where Germany signed their surrender during WWII.

A vortex fountain that seems to rise out of the ground.

The ghosts of Britain's telecommunication past sit rusting away in a small village in England.

A subterranean playground in an abandoned slate mine.

The longest hedge maze in the world.

A 30-acre garden inspired by the principles of modern physics.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

Science fiction's grandfather has a fittingly marvelous tomb.

A once drab public housing estate is transformed into a colorful gallery of trompe l’oeil murals.

The Lone Star plaque hangs in a bombed-out bunker in Normandy to honor a Texan colonel's heroic actions on D-Day.

Former bridge turned into an observation tower.

A private garden of sculptural eccentricities.

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

A tiny, forgotten park of surrealist sculptures in Angouleme.

The experimental test tracks of a retro-futuristic monorail still stand in the French countryside.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

Wall after wall of this French seaside neighborhood is intricately decorated with seashells and corals.

France's high-tech, future-themed amusement park.

To the famous surrealist artist, liberty required two torches held high.

One man's stunning attempt at eco-friendly living.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

A former milk-delivery driver and his wife turn their home into a glimmering mosaic.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.