This hidden labyrinth offers walkers some brief peace of mind.

Impossibly life-like natural history models created out of glass by a father and son.

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

Three prestigious academic collections come together to create a world-class natural history museum.

This beautiful architectural gem was the first waste treatment facility in Boston.

Created by a local artist, these quirky sculptures each have their own names and personalities.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

Commemorating the 1948 creation of the Jimmy Fund, a Boston-based cancer charity.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

The world's largest piece of copyrighted artwork.

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

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Museum dedicated to awful artwork.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

This general store near Boston was once owned by Henry Ford, who had it relocated to a different town using a team of oxen.

America's "second most important bell" is a contentious spoil of the Civil War.

One of the smallest churches in the United States is located along the side of the road in a residential neighborhood.