This mass grave for victims of a massive hurricane remained hidden until 1991.

The oldest house of worship in Palm Beach has a wonderful tropical garden.

Grab a slice of pizza next to the remains of the "human monkey" who ran for mayor.

This shop also boasts some sweet memorabilia from "Willy Wonka and the Chocolate Factory."

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

This 19th century brick building in Brooklyn stands out like the anachronistic landmark that it is.

A B.Y.O.B. Mexican cantina lives inside one of the last tortilla factories in Brooklyn.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."

One Brooklyn man's collection of life-size fiberglass statues has taken over his entire yard.

An oddity shop inspired by the history of the circus.

This beloved marketplace mascot poops money and grants good luck.

The oldest public library in Ireland.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

Experience what life was like in Ireland during the Viking and medieval ages.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

The oldest private residence in New York City.

Nine nice parcels of land along a flight path offer a quiet respite... until a plane soars overhead.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

Built for an exposition in 1915, these horticultural displays have stood the test of time.