One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

The fragmented remains of a massive public bath connected to the city's water supply.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Friction between grains of sand cause a curious "singing" sound.

The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

Final resting place of the two women killed on a small island off the coast of New Hampshire.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

This historic cemetery is filled with markers that look more like candy than was likely intended.

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

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

A grave surprise in the downtown area of New England's second-largest city.

The Burnside Fountain and its questionable interpretation.

Dedicated to one of the world's first Black international, athletic superstars.

Home to the Titanic Historical Society's collection.

The largest collection of historic military firearms in the United States.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

The oldest brick saltbox house in America.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

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.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.