A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

Brain collection and database that narrows the gap between man and animal.

An astounding collection of medical specimens, including bits of President Lincoln.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

Its diverse collection of computers and technology spans the ages.