This year, visitors to the National Cherry Blossom Festival will notice nearly 150 missing cherry trees near the Thomas Jefferson Memorial and ... Morrison said. In death, the Yoshinos are ...

A Survivor Tree seedling takes root at OU-Tulsa in commemoration of the 30th anniversary of the Oklahoma City bombing.

Officials say it will take decades to replace and revitalize trees at the national memorial in western Pennsylvania to the crew and passengers who died there when a hijacked airplane crashed on Sept.

OU-Tulsa planted a seedling from the survivor tree in remembrance of the 30th anniversary of the Oklahoma City bombing.

Flight 93 National Memorial Chief of Interpretation and Education Adam Shaffer, left, talks with Friends of Flight 93 National Memorial Executive Director Donna Gibson near the Allée Trail amid ...