Strawbery Banke Museum in Portsmouth offers a look back in time at New Hampshire's history, but its future could be in danger because rising sea levels are flooding the property and historic homes.
As N H sea levels rise, historians are in a race against time bostonglobe.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bostonglobe.com Daily Mail and Mail on Sunday newspapers.