The highest point in Belgium is a staircase to nowhere.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

This ghost town in Belgium will lose its street art when it ceases to exist.

The remains of this RAF plane and its crew were lost for decades, nearly engulfed by the Malaysian jungle.

This dangerous-looking suspension bridge may have been too unstable to remain open.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

19th century tunnels burrowed under Liverpool.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

A perilous medieval road leading right into the sea.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The remnants of a strange stilted building on rails can still be seen at low tide.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

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

The signs of a long buried road can still be found hidden beneath a London sewer grate.