The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

This beloved marketplace mascot poops money and grants good luck.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Huge masonic hall in Philadelphia with lavishly themed rooms.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

A daily replay of the experiment that proved the rotation of the Earth.

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

Dr Barnes' $25 billion private collection of art and arboretum.

Yo, Adrian!

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

New York's oldest magic store.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Mysterious 500-year-old tapestries depict a unicorn hunt.

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

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.