These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The oldest still-operating tavern in the United States was once owned by a pirate.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

Washington's iconic carousel has a nice piece of Civil Rights history.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

The most decorated dog of World War I is preserved in the Smithsonian.

The site of the climactic scene from the classic horror film is now a historic landmark.

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

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

A community gathering place that once housed half-ton tanks and the World's Fair.

This historic hub for labor unions has survived the city's changing landscape.

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

This unique Seattle structure was designed to be the greenest commercial building on the planet.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

This edible park is open to any and all foragers.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

A 1,000 pound brass bell commemorates a time when this small maritime neighborhood was actually its own separate city.

Offering an enjoyable alternative to the standard hellacious post office trip.

The spur that wouldn’t die.

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

Seattle’s Whimsical Mural Master.