This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

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

The only Bahá'í house of worship in North America and one of only a handful worldwide.

This popular pitstop lives up to its name.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Jacksonville's highways rendered this century-old grammar school unusable.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

This hauntingly beautiful stretch of Florida coastline is covered in sun-bleached trees.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A sprawling maze of used books piled from floor to ceiling.

Hawai'i's oldest wooden house was shipped around Cape Horn from Boston in 1820.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

A blooming house of worship for the masses.