Where a rare geological phenomenon created a section of rock that resembles a checkerboard.

A tropical paradise once home to space exploration and military installations.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

Traversing these canyons, visitors can take in stunning views and glimpses of the region's history.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The remote graves mark the mysterious deaths of four 19th century explorers.

Experience the glam side of air travel without leaving the ground at this speakeasy.

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

This massive metal sculpture in the shape of a folded paper airplane overlooks a Utah mountain.

A unique walk through hundreds of cactus plants, including some that stretch over 8 feet tall.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

A majestic hotel that also stands as a historic relic.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

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 nondescript building that's been functioning as a speakeasy for nearly a century and a half.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.