Celebrated shipwreck explorer Joe Mazraani dies exploring wreck 200 miles off Cape Cod, Mass., his crew says. He suffered a medical emergency, officials say.

Introduction -- Designing and construction of Olympic and Titanic -- Floating palaces -- Titanic's lucky sister Part I : Olympic, 1911-1913 -- Maiden voyage of the Titanic -- Aftermath of the Titanic ...

Celebrated shipwreck explorer Joe Mazraani dies exploring wreck 200 miles off Cape Cod, Mass., his crew says. He suffered a medical emergency, officials say.

Celebrated shipwreck explorer Joe Mazraani dies exploring wreck 200 miles off Cape Cod, Mass., his crew says. He suffered a medical emergency, officials say.

Celebrated shipwreck explorer Joe Mazraani dies exploring wreck 200 miles off Cape Cod, Mass., his crew says. He suffered a medical emergency, officials say.

Celebrated shipwreck explorer Joe Mazraani dies exploring wreck 200 miles off Cape Cod, Mass., his crew says. He suffered a medical emergency, officials say.

Celebrated shipwreck explorer Joe Mazraani dies exploring wreck 200 miles off Cape Cod, Mass., his crew says. He suffered a medical emergency, officials say.

Celebrated shipwreck explorer Joe Mazraani dies exploring wreck 200 miles off Cape Cod, Mass., his crew says. He suffered a medical emergency, officials say.

Celebrated shipwreck explorer Joe Mazraani dies exploring wreck 200 miles off Cape Cod, Mass., his crew says. He suffered a medical emergency, officials say.