A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

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

Yo, Adrian!

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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

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

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This landmark cemetery in Boston was created more than 300 years ago.

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

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

The southernmost outpost of the Russian Empire in colonial America.

More than 700 species live within this murky marvel of a swamp on California's coast.

A second generation sun-powered marvel lights up the night.

A massive volcanic plug is now a protected area that hosts a number of bird species.

With statues of Nelson Mandela and Harvey Milk this monument has been called the Mount Rushmore of California.

Concrete strongholds stand guard over the Golden Gate.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.