This public Skyspace created by artist James Turrell for his alma mater puts on a show every day at sunrise and sunset.

Orozco’s fiery mural that brought the Mexican Muralist Movement to the U.S.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The romance of early commercial flight still fills this Art Deco destination.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

The colonial home of Paul Revere during the American Revolution.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

One of the most colorful free outdoor attractions in San Diego, this park is filled with murals and ties to history.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

These markers are used to determine the ground stability of the Strip.

An enormous illuminated figure dances on the Las Vegas strip.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

This alleyway was named to honor the memory of a beloved local dog.

Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.

A blast from the past in central San Diego.