Hear the quietest sound from across the dome.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

This seaside production studio was built to film 'Titanic' and has been the wet set of choice for other Hollywood productions since.

A unique botanical garden housed in three giant geodesic domes.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

A tunnel of hardened lava along Maui’s famous Road to Hana.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A massive volcanic plug is now a protected area that hosts a number of bird species.

The unbelievably opulent home built for an infamous newspaperman.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

Concrete strongholds stand guard over the Golden Gate.

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

The palatial McDonald's that inspired Wesley Willis.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Wisconsin's most celebrated export gets the royal treatment on I-94.

A stone face watches over the river.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

The dishes at this restaurant by The Sioux Chef celebrate indigenous heritage.

This replica of the Greek structure is in the heart of Nashville.

The R&B singer's modest church guarantees a religious experience, regardless of your beliefs.

Elvis's own personal tropical hideaway.