A man-made island in scenic San Francisco Bay.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A huge musical instrument played by the ocean.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

Turns out you can see the world without ever leaving Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The eccentric mansion of one the most popular horror authors of modern times.