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

The modern birthplace of Irish freedom.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

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

The geoglyph once sported a glass bottle eye.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The ritual has been performed uninterrupted for nearly 700 years.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Eighty million natural history specimens call this gargantuan museum home.

This supermarket is suspended 25 feet above an interstate highway.

This small shop walked so America could run on Dunkin'.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

New England's "Witches of Eastwick" locations, in all of their quaint white churched glory.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Books you don’t need in a place you can’t find.

The bears may be gone, but their old cages can still be found.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

An enormous, inside-out glass globe built in 1935.