The "Seinfeld" diner.

Peek through the gates at this oasis from the city, full of Old English charm.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

The celebrated eyesore created by starry-eyed sweethearts.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.