Philadelphia, Pennsylvania
Foucault Pendulum at the Franklin Institute
A daily replay of the experiment that proved the rotation of the Earth.
Places I've been
Places this traveler has marked as been there.
Philadelphia, Pennsylvania
A daily replay of the experiment that proved the rotation of the Earth.
Shartlesville, Pennsylvania
An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.
Ephrata, Pennsylvania
What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.