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

A 50-year old dive bar that has its own yacht club.

This jazz venue welcomes performers nightly and students daily.

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

The last of a gourmet supermarket chain, this store helped spark California's Food Revolution.

Art Deco stylings conceal the true nature of this bridge.

Get up close and personal at this Fresnel Lens.

This environmental engineering marvel keeps salt water from the Elizabeth River.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

A line of blue paint marks the route of the inaugural parade.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

Atop this media building, two hives containing more than 30,000 bees keep the surrounding area vibrant.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

A historic arena where the Beatles played their first concert in the U.S.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

A nostalgic bibliographic gem.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Home to items never before seen by the public.