This fully intact Neoclassical-Greek Revival style firehouse operated until 1938.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

A watering hole where the options for seating include a bar, patio, or subterranean cave.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

Established in 1853, this crumbling cemetery sits forgotten on the corner of Church and Chapel in Gold Country.

A fine mixture of the old and the new topped with an art deco neon spire.

The modest home of the very immodest dancer who cost a king his crown.

Built in 1895, this bed and breakfast was once a hospital that served an early 1900s Gold Rush boomtown.

The oldest continuously operating Catholic school west of the Mississippi.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

A remote crossroads honoring a fallen talent.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

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

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Illegal drag racing two stories beneath Chicago’s streets.

The palatial McDonald's that inspired Wesley Willis.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

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

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.