California's largest steel arch bridge.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Statues pay tribute to the icons of "Killer Dana," one of California's most famous surfing towns.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

A striking geological formation in Southern California.

This 75-year-old Shakespearean sculpture is painted by a local artist for every season.

A non-native grove of 241 redwoods in Southern California.

The helicopter that "Tricky Dick" absconded from the White House in on his last day in office.

This landmark building, from notable Los Angeles architects, is being restored.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Built in France in the 1400s, this gothic chapel now resides at Marquette University in Milwaukee, Wisconsin.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A hollow cement depiction of time's inexorable effect on the human body.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.