A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

A lush indoor jungle fills this bustling Madrid transportation hub.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

The park is home to the United States's only still-operating Dutch windmill.

A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Stroll around the headstones of notable figures from Knoxville's history, as well as towering monoliths and melancholic headstones.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

This small Catskills village has six independent bookstores and more bookshops than restaurants.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

If a visit to this farmhouse feels as if you are stepping into an artistic masterpiece, you’d be right.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

This magnificent Cincinnati graveyard is also a popular public park.

This seasonal soft serve shack has been doling out silky swirls since 1951.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Step into the courtroom to learn details of the only case in history where ghostly testimony led to a murderer's conviction.

The tallest waterfall in West Virginia.

The first American woman to win the Nobel Prize in literature came from the foothills of Appalachia.

This general store is more than a century old and home to various oddities and antiques.

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.