Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This little museum in the town where zombies were born celebrates the living dead.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

Once America's tallest structure, now a Baltimore landmark.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

The preserved house of a jazz legend still echoes with his music.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

An old department store turned Nazi prison turned artist commune.

Tiny memorials honor individual victims of the Holocaust.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

A scattered trail of street art adds a pop of color to the city's stark structures.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."