Along the banks of the River Rhine lies a park that seems unassuming, but beneath the surface lies a long and fascinating history.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Considered by many to be one of the most dangerous highways in Alaska.

This 36-foot-tall bronze Lady Liberty holds a real flaming torch.

This coastal port saw one of the most significant battles of the Civil War.

A cemetery for only coon hounds in northwest Alabama.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

This small cemetery contains the graves of prisoners of war who were interred at Fort McClellan during World War II.

This natural hill rose another 130 feet from the debris and rubble added after World War II.

The metal leaves on this tree are engraved with the names of Holocaust victims.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

A statue honoring 44 continuous years of greeting passing ships.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

This kitschy tavern is also home to rare early editions of "Treasure Island."

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

A faithful reproduction of Al-Jazari's enormous water clock.

A rusted metal giant pays tribute to Birmingham’s industrial past.

The remains of a foundry and old blast furnaces destroyed during the Civil War are preserved in this central Alabama park.