The schooner Paul Palmer's auxiliary anchor

A large trawl net was wrapped around the windlass on the shipwreck of the coal schooner Paul Palmer until it was removed by NOAA divers in 2006 .

An ocean pout under the hide under the anemone covered wooden frames of the schooner Paul Palmer

The Paul Palmer is an oasis of biodiversity

A group of cod hide under the anemone covered wooden frames of the schooner Paul Palmer

The Paul Palmer is an oasis of biodiversity

Artifacts sit on the Frank A. Palmer's main deck.

Artifacts sit on the Frank A. Palmer's main deck.

The sink and toilet are still in place in the Frank A. Palmer's captain cabin.

The Frank A. Palmer's hull is covered with frilled anemones

Artifacts sit on the Frank A. Palmer's main deck.

Artifacts sit on the Frank A. Palmer's main deck.

The Portland's steam release pipe

Cups and plates in the steamship Portland's galley

A ceramic mug sits amongst twisted pipes on the steamship Portland's main deck

A ceramic pitcher sits on the seafloor next to the Portland's hull

The open porthole reminds us of the 200 people lost when the Portland sank in 1898

A cusk hides in the Portland's steam release pipe

A fire hose sits on the edge of the Portland's hull

Lanterns sit inside the Portland's hull

Side scan sonar image of the steamship Portland

Synthetic aperture sonar image of the steamship Portland

A remotely operated vehicle (ROV) is used by NOAA scientists to study the seafloor, marine life, and shipwrecks.

The remotely operated vehicle Hela, operated by the Northeast Underwater Research Technology and Education Center at the University of Connecticut, has been used to monitor the health of the Stellwagen Bank National Marine Sanctuary's ecosystem

The Northeast Underwater Research Technology and Education Center at the University of Connecticut operates the remotely operated vehicle KRAKEN 2. It is being prepared for a dive in the Stellwagen Bank National Marine Sanctuary .

A side scan sonar is used to characterize the seafloor and locate maritime heritage resources

Synthetic aperture sonar image of the collided coal schooners Frank A. Palmer and Louise B. Crary

Anchor on seafloor.

Humpback whale feeding with baleen visible.

A levitating whale.

Levitating whale returning to the sea.

A soaring humpback whale at the beginning of its breach.

A humpback whale in a graceful arc as it begins its descent to the sea from a near vertical breach.

Two breaching whales leaving behind their splashes and one still airborne.

Marine archaeology dive team after return to surface from the shipwreck of the NORTHERN LIGHT.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Diver with lights approaching the bow of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Diver over the bow of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Diver below stern and upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Debris from the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Diver over wreckage of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.

Upside-down rudder of the NORTHERN LIGHT, a shipwreck in 190 feet water depth. The NORTHERN LIGHT sank in 1930. It had been a Great Lakes freighter but had been converted to a barge in 1927.