In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A tribute to the artist and activist who created the rainbow pride flag.

Naturally carbonated water fills the mineral baths at this 19th-century California resort.

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

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

Five varieties of trees with custom-designed grates around the trunk are planted along the route of the Seattle Transit Tunnel.

Eat your way from Ghana to Myanmar on this globe-trotting menu.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

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

Memorial commemorating the deadliest landslide in U.S. history.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

An enormous image of Utah's salt flats made entirely from tape.

The only completed wing of Utah's first capitol is filled with artifacts and odd stories about its past.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Ancient volcanic activity made this into an exciting rockhounding site.

When California condors were hovering on the brink of extinction, this recovery program was charged with helping the birds thrive again.

An artist-run shop filled with art inspired by and made from nature.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

Hike, ski, or snowshoe to a backcountry yurt that serves up gourmet, four-course dinners.