One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

A hidden alley in urban Baltimore is a haven for graffiti artists.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This dramatic rail curve was once the target of a failed Nazi attack.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The land is home to swimming ponies and a legendary 18th-century treasure.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”

After Christopher Columbus died, his son built a fancy house to rule from.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

One of the only memorials dedicated to journalists who died in combat.

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

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This historic national park is covered in the stunning ruins of red rock pueblos.

The most magnificent bottle house in a town strangely full of them.

A land of debatable treasure.