An art installation memorializing a tram stop, which became a tram stop.

A giant yellow phallus sculpture hidden in the gardens of the Museum Boijmans Van Beuningen.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

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

An ode to female reproductive organs in an unexpected location

A statue of the second-tallest Dutchman in history.

These lights mark the area of Rotterdam that was bombed and burned in 1940.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

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

This unattributed sculpture in Amsterdam is hiding in plain sight.

A gigantic teapot sitting on top of a parking garage in the center of Utrecht.

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

A set of seven houses, each built in a style that represents a European country.

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

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

Documenting the nationalist movement in Northern Ireland, with an emphasis on the history of political prisoners.

A towering steel-and-bronze figure whose playful nickname outshines its official message of hope

The original shop where the iconic Belgian praline was invented.

Latvia’s first skyscraper, nicknamed ‘Stalin’s birthday cake.’

Some of the greatest minds in the history of Hungarian art and science converged in this café.

These barriers stand as stark reminders of Northern Ireland's troubled past.

The bell of HMS Hood is rung every Sunday at this ship-themed church.

Originally commissioned as a sculpture to reflect the history of Belfast's red-light district, the final sculpture has been banned from Belfast public land.

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