An underground city of salt.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The oldest trees in Northern Germany.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

An architecturally-focused antique shop.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A (slightly) grownup take on the classic retro arcade.

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

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.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

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

A wall of chewing gum moonlights as collective art.

Seattle's own bad art museum located inside Cafe Racer.

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

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A museum dedicated to the history and exploration of both popular music and science fiction.

Furniture tries to escape an abandoned building in San Francisco.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.