A historic ruin just 20 feet away from a busy highway onramp.

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

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

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.

Plymouth's huge yet little-known memorial to the Pilgrims.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

A display of magnificent stained glass windows is the first exhibit of its kind.

These pretty kitties killed and ate as many as 135 railway workers.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Three hundred years of preserved Spanish colonial history in San Antonio.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

The world's second largest single-dish radio telescope, once used to contact E.T.

Oldest building in California still in use.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

Visible below the waves are memorials to the city's Gold Rush dead.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.