A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

This stockpile of junked electronic and mechanical gadgets is a favorite among Hollywood prop masters.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A man-made island in scenic San Francisco Bay.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A Victorian-style home known as the “Castle on the Hill.”

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

This black shoreline is made up of exploded lava particles.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This legendary urban waterfall creates a dazzling display of rainbows.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

The mayor made the declaration in 2004.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

This Elizabethan hedge maze is one of only six in North America.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.