A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

The cutest way to stay safe in traffic.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This remarkably intact, 260-year-old cargo ship is only visible at the lowest of spring tides.

A winding cave grotto walkway built to provide employment for veterans after World War I.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

These engineering masterpieces are a dominant feature of the Belfast skyline.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

Regency-era excess on the English Coast.

Overlooking the seaside town of Margate stands a tribute to an artist's lover.

Grotto replete with mystical designs laid out in glued shell mosaics.

This popular square's history as the former site of a church is right beneath your feet.

A Reformation-era fiery figurehead once denoted this location as a print shop.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

One of the shortest streets in York has an especially odd name.

Makers and sellers of the original and finest York Ghosts.

This network of narrow, medieval passages has the most delightful name.

A century-old tradition has culminated in a small but singular collection of feline effigies.

Follow the original medieval paths that wind through this intriguing section of the city.

This king penguin is a knighted brigadier of the Norwegian Army.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.