The only surviving fragment of the lost Narragansett Pier Casino.

A 60-room castle constructed by a horse-racing heir.

Mysterious stone tower featured in many alternative histories of the New World.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

The oldest still-operating tavern in the United States was once owned by a pirate.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This conservation area is also home to many of the region's desert tortoises.

View the California coastline (and the home of Barbara Streisand) inch by inch with stunning, government-sanctioned aerial photography.

Sports history, made in the Arroyo Seco.

Seven ceramic sculptures are scattered around this California college campus.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

One of the largest trees of its kind in California.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Only hotel where you can legally launder money.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The blinking light atop the iconic landmark has been sending secret messages for decades.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

California's oldest wind harp represents a historic piece of America's Danish history.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

An alley covered with 20 years of bubble gum.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

A "haunted" landmark on the coast of Southern California.

The sun acts as a key that only fits this giant keyhole twice a year.