A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

A large instrument played by the wind.

This nine-story building can be played like an instrument.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

When the rain falls, this drain system turns into a musical instrument.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This Indonesian village was revitalized by a vibrant rainbow paint job.

A Swedish town came up with an out-of-the-box way to eliminate the bloodthirsty insects.

A contemporary fresco movement illustrates the region's rich history.

In this pristine Ecuadorian hippie town, residents remain active well into their eighties and nineties.

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

A black and white solution to the Bolivian city's traffic problems.

Local legend says the remains of Father Christmas lie within the medieval grounds.

Elevated freight railway turned wildly successful urban park.

Rippling sand dunes frozen in the Arizona rock.

The largest earthwork effigy in the world.

Less a museum than a bizarre fantasy world created by artists and engineers.

A huge musical instrument played by the ocean.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A Bhutanese temple gifted from the isolated Himalayan kingdom is now a surprising cultural gem located at the University of Texas at El Paso.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

The decaying remains of a 1960s mechanical wonderland that never officially closed.