Though they've since been renamed, these two streets hint at Dublin's darker days.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

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

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

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

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

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The modern birthplace of Irish freedom.

Once a black market electronics marketplace, now an otaku shopper's paradise.

An unexpected curiosity cabinet hidden within a department store in the Japan Post tower.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

A taste of the macabre Tokyo's ritzy shopping district.

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A museum within a museum, devoted to history's most questionable medical devices.

An unusual assortment of art, furniture, and other curiosities.

An architecturally-focused antique shop.

A Borgesian work of art that may blur the line between fiction and reality a little too convincingly.

Medical history museum featuring a lovely doctor's office from the 1800s.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Tucked behind the Institute of Neurological Science down a decrepit street resides the largest display of human brains in Latin America.

Catacombs turned marketplace.

"Purveyors of traditional sweets and vintage treats."

A clock designed to run with perfect accuracy for 10,000 years.