An institution that preserves the history of institutionalization.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

Drinkslinger is an unlikely vocation for a Buddhist monk, but at this Tokyo bar the enlightenment is served in a martini glass.

100 year tradition of fist fights, marked by marble footsteps.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

The mirrored section takes the shape of Hebrew characters when viewed from above.

This plaque marks the former home of one of the first women physicians in the Netherlands.

A unique work of automotive art calls this shopping center home.

This bronze statue of Martin Luther King was placed in the park without permission.

The last of Amsterdam's original sea level markers remaining in place.

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This unattributed sculpture in Amsterdam is hiding in plain sight.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

The former headquarters of history's oldest megacorporation.

The only ski tunnel in North America provides easy access to amazing snow and beautiful views.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

As part of an 800-year-old tradition, a man parades through town covered in a suit made out of spiky burrs.

The beautiful non-repeating pattern honors the Oxford professor who discovered it.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

The sculpture of the deceased cockatoo flops atop its personal plinth.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.