The first park built over a freeway is a brutalist masterwork.

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

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

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.

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

This Seattle joint serves food inside an old train car once used by FDR.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Amsterdam's former hotspot for public executions and dissections.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

An collection of Chinese propaganda posters from 1949 to 1979.

An out-of-place slice of France, smack in the middle of Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

The ghostly remains of an accidental sea.

This amazingly preserved Gold Rush town is a historian's dream.