A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

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

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

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

The ancient tomb acts as a calendar that keeps perfect time.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

Bowl in splendor, if you're lucky.

A hip bar decorated with walls of golden skulls.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The longest hedge maze in the world.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Unusual books about food and drink abound in this 19th-century New York townhouse.

Spiral-bound community recipes and antiquarian gems mingle at this small East Village shop.

A terrific purveyor of natural history objects and curios.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.