The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

Bat house that has only ever housed bat for one night; they all flew away and never came back.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

This downtown Dallas art installation is always on the lookout.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This historic hotel invented the chocolate brownie.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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