The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

This sidewalk tribute honors Colorado's great culinary creation.

Three nine-foot-tall bathing beauties perched elegantly on life-rings welcome visitors to the Alki waterfront.

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

An ice cream parlor chain that caters to vegans and pinball fans equally.

A remarkably well-preserved stage stop from the late 19th century in a remote part of Nevada.

From printing money to live music, this Beaux-Arts style building has had many identities over the last century.

A creative deviation in this post office's design was once a source of controversy.

The site of a gold-digging conquistador's bloody landing in the Americas.

History is hiding at the Morean Center for Clay.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

This Seattle store is packed with all sorts of curious creatures and creations.

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

A tribute to a future time when gravity is conquered.

A memorial to legendary newsman, publisher, and owner of La Gaceta, the only trilingual newspaper in the U.S.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.

The snowbirds here are circus sideshow performers.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This museum offers an actual time machine back through Colorado's past.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

It's safe—and permitted—to walk across these twin natural sandstone arches.