The largest model carrot in the world.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

A centuries-old church stands as a testament to Boston's "father of architecture."

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

The world's largest piece of copyrighted artwork.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

Millions of numbers carved in glass represent the tattoos forced upon victims.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Historic Hull Street was actually the first street with a proper name in the Boston area.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

The site of Paul Revere's historic two lantern warning.

The Boston square dedicated to the dark poet who was born nearby.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This water tower commemorates the invention of the transistor on this site in 1947.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

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

Elevated freight railway turned wildly successful urban park.