This disused VLF radio station is no longer in service but the surrounding town still bears its name.

Europe's official "zero-level," the equator of elevation.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

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

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The modern birthplace of Irish freedom.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The house where the writer spent his formative years.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

Catholics make up 84% of Ireland's population but this Dublin museum remembers the small but important Jewish community.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

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

A hollow cement depiction of time's inexorable effect on the human body.

A display of magnificent stained glass windows is the first exhibit of its kind.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Once a dumping spot, now a park with a kayak launch.

The first piece of public art dedicated to LGBT rights.