A Beaux-Arts triumph set to become Ford's innovation campus

Concrete igloos standing across from what remains of the Michigan Central train depot.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

Detroit’s downtown castle is one of the oldest structures in the city.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

The only surviving prototype for Buckminster Fuller's house of the future.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

An inconspicuous footbridge beloved by San Diego locals.

A couple turned their front yard into an artistic masterpiece.

Lucha Libre (Mexican Wrestling) themed taco shop.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

San Diego's most historic and haunted home.

One of the largest trees of its kind in California.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

The California capital city once stood 10 feet lower than it does today.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.