The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Museum celebrating the history of computers, especially their role in codebreaking.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.