An unpaid bill, a stolen stone, and a famous fashion designer rest peacefully alongside a heroine of Highlands history.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

Inside a Scottish castle hangs the tattered remains of a flag with murky origins and supposed magic powers.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

A tiny museum dedicated to the world’s tallest true giant sits on an island he never set foot on.

An intentionally grounded cargo ship remains half-buried in the sand.

During the holidays, a vintage subway train whisks New Yorkers back in time.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

The greatest real estate coup of all time.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

In the Compton Hill Reservoir Park sits a statue whose lack of clothing caused a scandal for the group that commissioned it.

A weird and wonderful collection of items that pique curiosity and haunt nightmares.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

Vibrant paintings stretch across 600 feet of derelict railway.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

From here, the loch appears to take the shape of mainland Scotland.

The solitary cairn marks a mysterious death that's still controversial more than two decades later.