The "birthplace of insulin," where Sir Frederick Banting realized the hormone could save the lives of Type 1 diabetics.

This giant satellite antenna services the transmission needs of government agencies and cable programmers.

Where the embers of the Big Bang were first detected.

One of New Jersey's oldest churches is a historical treasure trove.

A wooden theatre that remains the heart of a charming Victorian-era New Jersey enclave.

The prototype for all Nazi concentration camps.

This Elizabethan hedge maze is one of only six in North America.

This quirky countryside store is known for the goats that hang out and eat the grass on its roof.

This country market harbors goats on its roof.

This historic lighthouse has been reincarnated as the perfect picnic place.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This urban oasis is a marvelous meld of music and landscape architecture.

The first transatlantic wireless signal was received at this 17th-century fort.

Yo, Adrian!

A daily replay of the experiment that proved the rotation of the Earth.

This elaborate towering structure was once famed for its revolutionary height.

A massive sustainable farm designed by the mastermind behind Central Park.

This landmark cemetery in Boston was created more than 300 years ago.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Three prestigious academic collections come together to create a world-class natural history museum.