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

This square in downtown Eugene is dedicated to the novelist and countercultural figure Ken Kesey.

A chessmaster's dream destination.

Hundreds of graffiti artists have decorated this flood-wall on the west bank of the Mississippi River.

In use from 1742 to 1910, only flat headstones were allowed in this cemetery.

One of the world's oldest continually operating bookstores.

America's oldest drive-in movie theater has been in continuous operation since 1934.

A historic and oft-filmed prison stands in a Chicago suburb.

The lasting remains of the region's once booming cement industry.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

This medieval city gate is now a blend of the past and the modern world.

This replica of the Greek structure is in the heart of Nashville.

A sharply wedged sundial marks the point at which each day in the United States begins.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A memorial for the mustachioed record-setting runner.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A Bibliophile's Dream.

One of the last functioning antique elevators in Chicago.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.