This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

Retirement home where the actress who played the Wicked Witch of the West passed away.

Journey through vintage Americana inside this small Massachusetts shop.

The site of the first "historically true" UFO encounter in the U.S.

A living antique aviation museum in the historic town of Red Hook, New York.

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

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A diorama of the Civil War, fought by cats.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

An abandoned gun-funded 19th century utopia.

The headquarters of the famous Yale society.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

The final resting place of a wealthy landowner who helped create the largest public park in Western Massachusetts.

The hero of the women's suffrage movement birth home is now a museum dedicated to her legacy.

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

Oldest church in the United States that is still in continuous use.

All that remains of this Massachusetts town, demolished in the name of progress, is a stone marker.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

A monument to the Mohawk people stands along an old Native American trade route.