This exhibit allows visitors to wander through the interior of a replica Ice Age glacial cave.

Located on the banks of the St. Lawrence River, this mansion is home to a massive art collection.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

A unique collection of military history dating back to the American Revolution.

See four top-secret US spy aircraft of the Cold War era, including the legendary SR-71 Blackbird and the A-12 Oxcart.

A wealth of seafaring history displayed on the California coast.

Once a slice of Cold War-era military history, this museum is finding its future in the star.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

A museum dedicated to restoring vintage aircraft, located at a working airport.