Lines from a walking song are etched into a rock in Natural Bridge State Park.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

The only recreation of William Shakespeare's indoor playhouse.

One of the last active volcanoes on the Eastern seaboard.

This lovely pocket park is one of the most under appreciated in D.C.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

A historic grist mill and active sluice on the Black River.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

George Washington, Alexander Hamilton, and Benjamin Franklin all slept at this humble inn.

A "house to which to flee" for settlers in colonial Pennsylvania.

The lasting remains of the region's once booming cement industry.

The largest collection of Frazetta originals in the world.