Resonating tubes make music from highway overpass.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

The site of the tragic isolation of Nipmuc Native Americans left to perish in King Philip's War.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

These whimsical works of art tell the story of the city's past and present.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

A Circus legend leaves an unexpected endowment.

Golden Gate Park's historic collection of plants.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

An unusual college football tradition involves burying pieces of sod from competitors' turf, replete with tiny coffins and headstones.

A home designed to be on the cutting edge of comfortable, low-cost living.

These three lighthouses played a fundamental role in the maritime life of Eastham.

No one really knows how these old hobby horses got here, but the herd keeps growing.

The macabre graffiti spectacle in a quarry in a Massachusetts forest reservation.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

Shop for books in the New Orleans house where William Faulkner once lived.

The world-record holder for the longest bridge stretching continuously over water.

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

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

A New England ghost town features a trail of boulders etched with intriguing life lessons.