The original home of the Caesar Salad.

The "Seinfeld" diner.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

Dine on dumplings at the oldest dim sum restaurant in New York.

A wall of chewing gum moonlights as collective art.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

World's largest Christmas store.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

Come crisp December nights, this fairly plain neighborhood becomes a holiday dream world.

Los Angeles's oldest cemetery allows visitors to trace the history of this proud city.

A common entry point to the Griffith Observatory trail holds its own wonders.

Magical-looking cottages that inspired one of the most famous animated films ever.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

An accidentally hidden library containing the ephemeral history of New York.

You must take the A train... to the last active cemetery in Manhattan.

New York City's smallest piece of private property.

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

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This black shoreline is made up of exploded lava particles.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

A 19th-century cabin built into a hollowed-out Sequoia tree.