FROM THE ARCHIVES
The Sumner Tunnel 
The first of three underwater crossings beneath Boston Harbor, the Sumner Tunnel, opened on June 30, 1934.

FROM THE ARCHIVES

The Sumner Tunnel

The first of three underwater crossings beneath Boston Harbor, the Sumner Tunnel, opened on June 30, 1934.

OPERATION SAIL
Shipping up to Boston 
The Globe guides you through activities as the Navy vessels pull into Boston Harbor for Operation Sail, from June 30 to July 5.
(ESSDRAS M SUAREZ/GLOBE STAFF)

OPERATION SAIL

Shipping up to Boston

The Globe guides you through activities as the Navy vessels pull into Boston Harbor for Operation Sail, from June 30 to July 5.

(ESSDRAS M SUAREZ/GLOBE STAFF)

All-out effort to get people to waterfront this summer 
- Seven nonprofit organizations are teaming up with local shops and food merchants on a “Eat, Splash, Shop, Learn" campaign.

All-out effort to get people to waterfront this summer

- Seven nonprofit organizations are teaming up with local shops and food merchants on a “Eat, Splash, Shop, Learn" campaign.

Replica Tea Party cargo ship “Beaver” launched
GLOUCESTER- The ship is a drab yellow, 90 feet long and from a distance looks like any other vessel bobbing up and down in Gloucester Harbor. To maritime preservations, though, the vessel - a 1908 Denmark cargo ship now being renovated to resemble one of three whaling vessels that were boarded during the 1773 Boston Tea Party - is nothing short of a miracle.

Replica Tea Party cargo ship “Beaver” launched

GLOUCESTER- The ship is a drab yellow, 90 feet long and from a distance looks like any other vessel bobbing up and down in Gloucester Harbor. To maritime preservations, though, the vessel - a 1908 Denmark cargo ship now being renovated to resemble one of three whaling vessels that were boarded during the 1773 Boston Tea Party - is nothing short of a miracle.

Birds of winter charm a Harbor Islands cruise
- State and federal officials have teamed up with the owner of a whale-watching boat to offer what many New Englanders might consider to be an oxymoron: a winter cruise.

Birds of winter charm a Harbor Islands cruise

- State and federal officials have teamed up with the owner of a whale-watching boat to offer what many New Englanders might consider to be an oxymoron: a winter cruise.

 
Curve. Position. Velocity. Gravity. Energy.
- Those are the words that describe the participation of the world’s best high divers in the 2011 Red Bull Cliff Diving World Series. As part of a global tour, the competition will be held today in Boston at the Institute of Contemporary Art building on Fan Pier. Besides the United States, other countries on the tour include Chile, Mexico, Greece, France, Italy, and Ukraine. (11 photos)

Curve. Position. Velocity. Gravity. Energy.

- Those are the words that describe the participation of the world’s best high divers in the 2011 Red Bull Cliff Diving World Series. As part of a global tour, the competition will be held today in Boston at the Institute of Contemporary Art building on Fan Pier. Besides the United States, other countries on the tour include Chile, Mexico, Greece, France, Italy, and Ukraine. (11 photos)

World-class cliff divers soar eight stories above harbor
- Eight stories above the waters of Boston Harbor and a few strides from the safety of the Institute of Contemporary Art’s roof, 26-year-old Steven LoBue balanced on the edge.

World-class cliff divers soar eight stories above harbor

- Eight stories above the waters of Boston Harbor and a few strides from the safety of the Institute of Contemporary Art’s roof, 26-year-old Steven LoBue balanced on the edge.

Shining over Boston Harbor
- As the Coast Guard hands over control of lighthouses, more may open for tours. (Photo: Santa dropped presents from a helicopter at Boston Light in 1946.)

Shining over Boston Harbor

- As the Coast Guard hands over control of lighthouses, more may open for tours. (Photo: Santa dropped presents from a helicopter at Boston Light in 1946.)

A clean new era for Boston Harbor
- The opening of a massive sewage holding tank under South Boston today will complete a transformation of Boston Harbor that was almost unimaginable three decades ago: The city’s once-fouled beaches are now so clean that swimmers can dive in virtually every summer day.

A clean new era for Boston Harbor

- The opening of a massive sewage holding tank under South Boston today will complete a transformation of Boston Harbor that was almost unimaginable three decades ago: The city’s once-fouled beaches are now so clean that swimmers can dive in virtually every summer day.