L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

One of the largest trees of its kind in California.

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

A hidden courtyard houses early 20th-century plaster masterpieces.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

An ode to the friendship between four Pacific Rim countries.

A statue based on a tragic Japanese nursery rhyme, commemorating San Diego's sisterhood with Yokohama.

These two K-9 memorials commemorate the sister cities of Edinburgh and San Diego.

The oldest standing structure in downtown San Diego.

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

At this local mall, visitors are ushered through a 1940s jail exhibit.

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

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A menagerie of concrete animals brought together from across New York City's parks.

One of the last Jazz Age "Wonder Theaters" in New York City.

This Bronx apartment building is officially recognized as the birthplace of hip-hop.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

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

This historic site situated in the Northwood shores neighborhood houses the remains of a forgotten town.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

This fancifully decorated Victorian home in New York’s Hudson Valley is the only known fully domed octagonal residence in the United States.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.