Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

This is the house that spite built.

Impossibly life-like natural history models created out of glass by a father and son.

Three prestigious academic collections come together to create a world-class natural history museum.

This historic patch of real estate offers a glimpse of colonial Boston.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A rural hall of justice holds the world's only comic book and superhero museum.

Seasonal, Pacific Northwest cuisine served in a 101 year old firehouse.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

This sculpture forces visitors to confront their relationship with space.

In the absence of a Chinese-language newspaper, for years the community posted daily updates on this simple bulletin board.

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

A colorful statue honoring the local salmon in glass and bronze.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

This working class sculpture pounds his hammer all the livelong day.

Once a year, thousands of naked cyclists flood the streets of a Seattle neighborhood.