Neal Cassady may still have an open tab at one of Denver’s oldest watering holes.

The site of Paul Revere's historic two lantern warning.

A centuries-old church stands as a testament to Boston's "father of architecture."

Historic Hull Street was actually the first street with a proper name in the Boston area.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

Narrowest house in Boston.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

This supermarket is suspended 25 feet above an interstate highway.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

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

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

These whimsical works of art tell the story of the city's past and present.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The second oldest continuously operating bar in Louisiana.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.