9/11 Memorial & Museum

Address: 180 Greenwich St., New York, N.Y.

Phone: 212-312-8800

Open: Museium is open 9 a.m. to 7 p.m Wednesday through Monday. Memorial is open daily 8 a.m. to 8 p.m.

Of Note: As a monument to human dignity, courage, and sacrifice, the 9/11 Memorial & Museum honors the nearly 3,000 people killed in the terrorist attacks of September 11, 2001 and February 26, 1993, recognizes the courage of those who survived, and salutes those who risked their lives to help others.

Flight 93 National Memorial

Address: 6424 Lincoln Hwy., Stoystown, Pa.

Phone: 814-893-6322

Open: 9 a.m. to 5 p.m daily

Of Note: The site of the memorial, containing a visitor center and exhibition, stands today where Flight 93 tragically crashed. Part of the memorial is the Tower of Voices, a 93-foot structure with 40 wind chimes throughout, representing each life lost on the flight.

The National 9/11 Pentagon Memorial

Address: 901 North Glebe Road, Arlington, Va.

Phone: 202-741-1004

Open: 24 hours daily

Of Note: The Pentagon Memorial captures that moment in time at 9:37 a.m. when 184 lives became intertwined for eternity. Each victim’s age and location at the time of the attack have been permanently inscribed into the Memorial by the unique placement and direction of each of the 184 Memorial Units.

“Postcards:” The Staten Island September 11th Memorial

Address: North Shore Waterfront Esplanade Park, Bank St., Staten Island, N.Y.

Open: 24 hours daily

Of Note: “Postcards” is a memorial honoring the 263 Staten Island residents killed in the September 11 attacks and 1993 World Trade Center bombing. Adjacent is a separate memorial to 73 Staten Island first responders who have died in recent years from exposure to toxic substances at the WTC site in the aftermath of 9/11.

Memorial Labyrinth at Boston College

Address: 191 College Road, Chestnut Hill, Mass.

Open: 24 hours daily

Of Note: On September 11, 2003, a memorial labyrinth on the lawn of Burns Library was dedicated as a space for prayer, peace, and consolation, in memory of Boston College alumni killed in the 9/11 tragedy.