A retired tobacco farmer's pet project turned into a sturdy miniature city.

A sculptor's dream castle turned fantastical ruin.

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

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

Obelisks and stone pineapples in the Irish countryside.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

One of Ireland's most infamous prisons for rebels including men, women and children.

An Irish Memorial commemorating those who perished due to potato blight.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An accidentally hidden library containing the ephemeral history of New York.

A legendary speakeasy bookstore returns from the brink.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Stroll through a wonderland of stupendous moss-covered trees.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

Architectural monsters are devouring this palace's every door and window.