Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

This once-derelict building is now one of the most beautiful bookstores in the world.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

One of only two commuter aerial tramways in the United States.

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

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

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

Commemorating the spot where the famous scientist fed his pigeons.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Unrepaired walls from a 1920 anarchist bomb attack.

The former hotel where Tesla invented the radio.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Cryptic messages embedded in the New York City sidewalk.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.