The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

This mighty white oak in Bethesda survived both the American Revolution and the construction of Washington D.C.'s metro red line.

The ruins of an old mill lie in a small ravine along a hiking trail near Little Seneca Creek.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

On a side street near the interstate is the building where the famous anarchist once owned an ice cream parlor.

A grave surprise in the downtown area of New England's second-largest city.

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

A memorial to Chinese freedom in the city where American freedom was born.

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

A mysterious stone embedded at the base of a historic Boston building.

This historic patch of real estate offers a glimpse of colonial Boston.

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

Dedicated to one of the darkest moments in Irish history.

This statue intended for children to enjoy became a minor political spat.

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

This riverfront statue honors the inventor of the first video games ever sold.

A very big rock just plopped down in the New England woods.

A stretch of New Hampshire lake water is the only ice runway in the lower 48 states that is FAA-approved.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

This smiling statue memorializes local cartoonist Bob Montana and his legendary creation.

This store also houses a museum dedicated to the history of these small, historic community shops.

The 100-year-old public collection of a New Hampshire dentist that contains taxidermy, Native American artifacts, and a pair of mummy hands.