Walk over a 150 year old manhole.

Granting the right of way to ships over surface traffic since 1917.

A vinyl-lover's Shangri-La.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

An ice cream parlor chain that caters to vegans and pinball fans equally.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

Couple's personal collection of pinball machines turned public pinball museum.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

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

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

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

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

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

Yo, Adrian!

This elaborate towering structure was once famed for its revolutionary height.

A layered tribute to the work of mosaicist Isaiah Zagar.

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

World War II bunker still standing on the New Jersey beach.

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

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Dim sum, served in a grand old theater.