Over 120,000 curious objects that have shaped our modern world.

In an effort to escape the horrors of slavery, one man mailed himself to freedom.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

Once the largest trading firm of enslaved people in the U.S., this building is now a museum that preserves Alexandria's dark past.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

The narrowest house in America is seven feet of pure spite.

New Hampshire's first neighborhood is now preserved as a historic village with live action role players.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

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

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

Dedicated to a colonial woman who was hanged for being a Quaker.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

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

A luxury hotel constructed out of a former jail.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

The massive machine creates cracking displays of indoor lightning.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Radical Bookstore and Community Space.