One of the last active volcanoes on the Eastern seaboard.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Home of the only civilian casualty at the Battle of Gettysburg.

Extraordinary objects lurk in this quintessential regional museum.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

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

These lush botanical gardens employ the most purrfect pest control force.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Lie in a hammock where George Washington stood.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A condo complex once housed a boarding school with the 24th U.S. Vice President among its notable alumni.

Dinosaurs, magic, and wonder are hidden amid the forests of Allaire State Park.

Inside Crosswicks Creek Park resides an estate chronicling 200 years of history.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

An underground magnet for ever-changing street art.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

An unusual assortment of steerable wooden sleds is on display in a library in New Jersey where they were first invented.

Beautiful stained glass depictions of the history of human flight fill this surprising chapel.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

A unique sculpture park that specializes in the huge and bizarre.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

Yo, Adrian!