A tiny collection of traditional Japanese woodblock prints, open only when the owner feels like it.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

A haunting collection of the vanished and disappearing natural world.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

Notorious artist squat renovated into legal studios.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A Catholicism-themed restaurant where sacrilege is on the menu.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

The quintessential Japanese rock garden has existed for more than 500 years.

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

A cluttered and astounding collection of antiquities and curiosities.

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

The modern birthplace of Irish freedom.

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

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

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

The first American department store, and home to the largest operating musical instrument in the world.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

A layered tribute to the work of mosaicist Isaiah Zagar.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

When this massive wooden temple ran out of rope, they made one out of devotees' hair.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.