San Francisco's newly reopened hands-on science museum.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Entering this curiosity shop is like stepping into a mad scientist's lab.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

A sculpture of a salmon swimming through a brick building.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

The magic's in the hole!

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

A colorful architectural gem in Seattle’s uniquely modern Central Library.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

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

Tucked in the back of this amazing antique store is an important piece of medical history.

A touching tribute to the "Queen of Soul."

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

The competition: breathe deeply as long as you can.

This 220-year-old house is a reminder of New York City's Dutch past.

This slender three-story building has also had several famous residents.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Prove you deserve to be fed by Kenny Shopsin.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A bit of retro transportation flair preserved in the world's largest department store.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.