The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

This cannonball has been lodged in the church wall since a 1695 bombardment destroyed the city center.

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

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

This supermarket offers shoppers a window into the past alongside their groceries.

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

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

The house where the writer spent his formative years.

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

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

Horse cemetery on the grounds of Blarney Castle.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

Experience what life was like in Ireland during the Viking and medieval ages.

A monument to one of the few Olympic flames ever to be lit outside of the host city.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.