An enormous, inside-out glass globe built in 1935.

Abandoned railway line circling the city of Paris.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

New York's oldest magic store.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Hot springs monkey spa in the middle of Hell's Valley.

Tucked in the back of this amazing antique store is an important piece of medical history.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Rippling sand dunes frozen in the Arizona rock.

This massive library holds what was once the largest book collection in the world.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Elevated freight railway turned wildly successful urban park.

Most-visited and most-photographed slot canyon in the American Southwest.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Dramatic river bend surrounds a natural red-rocked pedestal.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A pocket of serenity in hectic Buenos Aires, complete with a peaceful courtyard and massive library.

A beautiful riverside mansion where the intellectual life of early-20th-century Argentina flourished.

Trash-filled shrines to an unofficial saint known for her endless breast milk dot the highways of Argentina.