A century and a half of research in the sciences and natural history, still going strong.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

This abandoned boat was left in place thanks to its rotting beauty.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

'Cause the fence start shaking, the earth was quaking.

This small oasis of flora and art was created in remembrance of a local auto business owner.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

Check out a shovel along with your Shakespeare.

Built in 1931, this small passageway is believed to be the first modern skyway.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

This fully intact Neoclassical-Greek Revival style firehouse operated until 1938.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

An abandoned lot littered with concrete debris was once the home of the world's first female railroad president.

A fine mixture of the old and the new topped with an art deco neon spire.

Built in 1895, this bed and breakfast was once a hospital that served an early 1900s Gold Rush boomtown.

The modest home of the very immodest dancer who cost a king his crown.

The oldest continuously operating Catholic school west of the Mississippi.

Established in 1853, this crumbling cemetery sits forgotten on the corner of Church and Chapel in Gold Country.

Walk through the history of American pop culture.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Once America's tallest structure, now a Baltimore landmark.

A museum dedicated to exhibiting remarkable outsider art.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.