The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

The oldest still-operating tavern in the United States was once owned by a pirate.

The first newspaper printed by an expeditionary force was published in this colonial mansion.

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

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

An Irish Memorial commemorating those who perished due to potato blight.

The arboretum whose marshy soil sucked up the dreams of housing developers.

The infamous Boston Mob ran rackets from an office here in the 1970s.

Narrowest house in Boston.

This impressive Boston holy house is the American mecca for Christian scientists.

A tiny monument to the classic American candy.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Hill-like structures formed by glaciers and sandy spits of land.

Solar powered Spectacle Island features all-green facilities.

A real plaque marks the spot where a Faulknerian character committed fictional suicide.

This hidden labyrinth offers walkers some brief peace of mind.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

This historic hotel invented the chocolate brownie.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This unassuming stone commemorates a condiment factory gone up in smoke.