The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A futuristic-looking beach house built for the owner of a snack food brand.

This mostly abandoned shopping outlet is now adorned with beautiful graffiti and murals.

The first motion picture theater in southern Utah, reimagined and renovated as an arts hub.

Opened in 1911, this small shop is the oldest ongoing establishment in St. George.

A monument to a survivor of harsh pioneer life, frostbite, and primitive surgery.

The gambling entrepreneur who built a city was also an avid collector of classic cars.

Victorian-era Egyptomania left its mark on this Nashville landmark.

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

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

North America's largest accredited model railroad museum.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

The ghostly remains of an accidental sea.

Catch a glimpse of the elusive Peninsular bighorns right off of the desert freeway.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

The unbelievably opulent home built for an infamous newspaperman.

Tucked away behind an unassuming set of shops is a must-see series of stunning murals.

The Giant Lemon of Lemon Grove.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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