One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

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

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

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

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

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

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

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

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

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

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

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

A little slice of Japan and its aesthetics in London's Holland Park.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Traveling collection of amazing automata.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

The monster at the center of the Darwin Center Spirit Collection.

Collection dedicated to brands, packaging and advertising.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.