This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

These medicine cabinet staples are part of the museum's collection of everyday objects.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

A rare view of a preserved Victorian science museum.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

This small, unassuming street is now a canvas for color and creativity.

This Buffalo museum hides an Art Deco gas station designed by Frank Lloyd Wright.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

One of Europe's oldest libraries.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

The only place for a truly presidential dram.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

A public art jibe at one of the United States’ oldest and longest-serving senators.

An overlooked tribute to one of the most important peace deals in American history.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

This unassuming passageway played a key role in one of the most important events in U.S. history.

The pockmarks across the building's facade are remnants of the Blitz.

A secret greenspace hides atop a Capitol parking garage.