A walk through the historic city center, under the streets of Seattle.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The seamy, underground secrets of Portland's criminal past.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

France's most famous cemetery, with some of its most curious tombs.

This tiny patch of arid sand sits in one of the greenest states in the United States.

A massive sustainable farm designed by the mastermind behind Central Park.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A New England curiosity cabinet, one hundred years on.

One car at a time please.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

America's oldest archaeological site or a muddled case of wishful thinking.

This supermarket is suspended 25 feet above an interstate highway.

Civil War Fort on an island in the Boston Harbor.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."