Home to drunken tower-climbing goats... seriously.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Walk the whole Mississippi River!

"Polynesia on the Plains."

One of the largest fleets of armored vehicles in the world, sitting out in the California desert.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

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

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

An elevator into the Baltic Sea.

An enormous concrete structure built over a nuclear crater.

This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.

The cave where two British judges hid in exile after sentencing the king to death.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

Experience a charming 1930's version of "infotainment."

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

This 16-foot, intricately detailed model of the Gearing-class destroyer has been called the most detailed model ship ever built.

Spanking machines, fake goats, and more devices of humiliation are on display in this museum of fraternal initiation devices.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

Once America's tallest structure, now a Baltimore landmark.