Erected in 1900 and depicting militia Captain John Parker, the statue looms at one end of Lexington Common, which is situated amongst the scene of the first battle in the Revolutionary War.

These three cannon were seized by Washington’s army after the British evacuated the Boston area in 1776.

General Washington ordered three batteries to be built for cannon aimed at Boston across the river. These mounds are what’s left, the last reminder dating uninterrupted to the 18th century of the Continental Army’s Cambridge presence.

The June 17, 1775 battle was the first major one of the Revolutionary War and technically a British win.

Though recently co-opted by some on the right, the original Tea Party involved dumping more than 10,000 pounds of tea from three ships docked off what was called Griffin Wharf.

In September 1774, the British launched a pre-emptive raid against the magazines of colonial militia. Within a year, such thievery would blow up in their face.

The sculpture commemorating the Civil War role of the 54th Massachusetts, the first all-black regiment in the American army, took Augustus Saint-Gaudens nearly 14 years to complete. It was unveiled in 1897.

Unveiled in 1903, it commemorates Joseph Hooker, who commanded the Army of the Potomac in 1863, declaring, “May God have mercy on General Lee, for I will have none.”

Completed in 1877 on the highest point on Boston Common, the memorial honors Bostonians who fought for the Union.

Completed in 1871, the monument on Cambridge Common includes a statue at the top of a Civil War soldier and a bronze of President Lincoln below.

Finished in 1877, the hall continues as a monument to those Harvard students and alum who died fighting for the U.S. in the Civil War (Confederate casualties are not mentioned).

Located inside the State House, the memorial features murals depicting Massachusetts’ role in the war (amid other wars).

It was dedicated in September 1981, and is thought to be the oldest Vietnam War memorial in the nation.

Finished in 1989, the memorial includes a map of Vietnam and a stone plaza.

The Castle Island monument honors the 20 Southie men who died in the early 1950s war.

Using nameless dog tags, the garden memorializes those killed the Iraq and Afghanistan wars.

It took until 1958—40 years after the war’s end and after another world war—to complete the monument to Roslindale’s Great War fallen.

Located in Christopher Columbus Park and unveiled in 1992, this commemorates those killed in the 1983 terrorist attack on a barracks in the Lebanese capital.

As the City of Boston puts it, "Dorchester Heights is famous for a battle that never happened." Basically, the British ceded the heights to Washington's fortified troops there, and evacuated Boston in March 1776. The marble monument was dedicated in 1902.