This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Elevated freight railway turned wildly successful urban park.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A giant donut stands as a popular symbol of Los Angeles iconography.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Golden Gate Park's historic collection of plants.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Quite simply the largest tree in the world (by volume).

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A hotel and restaurant serving as the mecca of kitsch.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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