This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

Largest Roman Catholic church in North America.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

Home to items never before seen by the public.

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

A piece of Seattle’s historic Chinatown preserved inside a modern museum.

Deep into the lower floors of Pike Place, find a date with fowl fate.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

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.

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

A wall of chewing gum moonlights as collective art.

This former coal gasification plant found a curious second life as a popular public park.

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

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

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

A posh members-only club with a literally dramatic history.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

Avoid gangster interaction while window-shopping.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.