Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

The largest historic preservation organization in the United States.

A geological mystery on Camelback Mountain.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

A semi-scholarly approach to sex.

Elevated freight railway turned wildly successful urban park.

An artist's cute bronze subway sculptures belie his violent artistic past.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

A Yiddish theater turned movie house turned rock and roll landmark turned gay disco turned bank.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Avoid gangster interaction while window-shopping.

Try not to get slimed in Tribeca.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

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

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

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