Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A dilapidated dock tells the story of Titanic's missed arrival.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Try not to get slimed in Tribeca.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This small chapel is built of human bones and decorated with a golden skeleton.

The largest police museum in the western United States displays the evolution of crime-fighting Seattle.

What's that on the side of that building? Va Va Voom, it's Bettie!

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

A giant Troll lurks under one of Seattle's oldest bridges.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

World's first "penitentiary," meant to be humane, drove men insane.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A devilishly named gorge that was a sign of salvation for many pioneers.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.