The National Trust for Historic Preservation annually releasesits listof disappearing treasures.
The NTHP has saved 95 percent of them.
Now the James River has become its biggest threat.
The excavations have yielded about 3 million artifacts.
Fun fact:The Century Building was used as Jesse Jacksons campaign headquarters during his 1984 run for president.
The civil rights protests highlighted racial injustice and helped lead to the Voting Rights Act.
The current 34-foot octagonal wooden structure dates back to 1842.
Tips to visit:The lighthouse is closed to the public but has been open for occasional special events.
It can be seen by boat or from areas surrounding Plymouth Harbor.
More funding is needed to complete the project.
