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

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

The highest point in Washington state is a volcano covered in glaciers.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

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

Sharing the often-overlooked story of America's Black soldiers.

This century-old confectioner's outlet store was plucked right out of the Seattle World's Fair.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

This parking garage has given itself over to graffiti artists and the neighborhood can't thank them enough.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

A bit of retro transportation flair preserved in the world's largest department store.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

A psychedelic labyrinth on the San Francisco bay.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

The only theatre in the world constructed specifically for sound movement.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

The southernmost outpost of the Russian Empire in colonial America.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

The mysterious round rocks of Schooner Gulch.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.