The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

The contents of this safe survived a 37-kiloton nuclear bomb.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

An eccentric millionaire's personal curio collection includes at least one shrunken head.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

A stellar example of Art & Crafts architecture, and a movie set to boot.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Brain collection and database that narrows the gap between man and animal.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

A small museum dedicated to the whimsical tool that turns sugar cookies into works of art.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

An icon among Florida's pre-Disney tourist attractions, just west of Orlando.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

A memorial for an outsider theorist who believed that the planet is actually hollow.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.