The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The graffitied ruins stand hidden within the Pennsylvania woods.

A collection of old steam and diesel locomotives sitting in a fenced-off garden.

A beloved tribute to the Fab Four and the freedoms they inspired.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

Enormous statue of the Emperor of the Mongols.

A series of five defunct panopticon prisons in Cuba.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

The remnants of an early American attempt at missile defense.

Surreal riveted sea forts once protected the Kent shores from German attack.

This now-defunct synthetic fuel plant was once a major cog in the Nazi war machine.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

An unrealized dream to wirelessly electrify the entire Earth.

A dormant lightning machine equal to all the power in Russia.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

Take a seat and hear a song by the composer Frédéric Chopin.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Most-visited and most-photographed slot canyon in the American Southwest.

A magical place that lets you play in and explore the world of Studio Ghibli.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.