Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

These free-roaming horses were once destined to disappear from the land.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

Golden Gate Park's historic collection of plants.

This private residence was the template for one of the most beloved television homes of all time.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

An alley covered with 20 years of bubble gum.

This statue celebrating early Hollywood is largely forgotten, while its twin replica at Walt Disney World has become an icon.

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

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

The blinking light atop the iconic landmark has been sending secret messages for decades.

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

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

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

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

These were the largest wind chimes in the world when artist Tom Van Sant created them for a California mall in 1967.

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

Explore an early California pioneer's rancho hidden in LA's manufacturing hinterland.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.