This 30-foot pile of rocks may be the grave of a mythological Irish queen.

Northern Ireland's Brobdingnagian stepping stones.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This conservation area is also home to many of the region's desert tortoises.

A four paneled, brightly multicolored mosaic adorns the side of this popular grocery store.

An upstate New York garage advertises its services by literally putting the automobile above all else.

Horse cemetery on the grounds of Blarney Castle.

The ruins of a medieval monastery named after a type of tree.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

The largest known open fault in the United States is basically a giant natural refrigerator.

"A hideous albatross in the Hudson River Valley."

A classic roadside attraction on Vermont's historic Route 5.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

Take a trip back to the 1950s and the heyday of the road trip along Historic Route 20.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

This throwback amusement park is home to rides and unique storybook figures from the past.

Why have you never heard of the second most popular tourist site in New York?

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

This historic graveyard was partially paved over to create a streetcar line.

One of the largest trees of its kind in California.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."