The unbelievably opulent home built for an infamous newspaperman.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

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

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

The tallest mountain in mainland Netherlands isn't actually very tall.

A modern reimagining of a medieval city gate.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.

The elegant manor house where Kaiser Wilhelm II lived in exile after World War I.

Atop this former dutch railway office sits an interstellar work of art.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

The shape of this old salt factory complex was inspired by the course of the Sun.

One of the world's most complex timepieces.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A memorial to the thousands of Turkmen soldiers and civilians who died in a bloody 1881 battle.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Mysterious 500-year-old tapestries depict a unicorn hunt.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

An early 19th-century English style garden hidden in the Rotterdam cityscape.

Four giant movable street lights decorate this modern Rotterdam square.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.