A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

World's second largest particle accelerator, where nature reveals its secrets.

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

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

International delicatessen has been owned and operated by the same family for more than 110 years.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

A museum dedicated to exhibiting remarkable outsider art.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Books you don’t need in a place you can’t find.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Oakland's beautiful monumental cemetery.

Dive bar built out of the remains of a whaling ship.