A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

One of the world's longest murals depicts the history of diversity in Los Angeles.

A fortified city, home to a remaining population of five families

The last Americana on Route 66.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

The liveliest ghost town in the state.

The best-preserved Roman small town in North Africa.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

Three vintage horses survived a 1976 inferno and found a home on a sister carousel.

A ghost town at the airport is now a refuge for blue butterflies.

This Southern Californian Conservation Center is home to singing and howling apes.

An ultra-modern vista that has been featured in so many films the house is a celebrity in its own right.

A bomb shelter and some fireplaces are all that remain of the house Fred Roberts tried so hard to keep standing.

The Hudson River School comes alive at this palatial estate.

The wild west is still alive and well at this authentic mining town watering hole.

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

Protecting the future of some of the rarest and most misunderstood mammals of North America.

A big shiny gin and whiskey distillery in Sunset Park.

A very classy 1920s-era bar right in Grand Central Station.

This micro-industry of Latino cuisine along Red Hook's Ball Fields represents a victory in a food fight with the city.

Commemorating the spot where the famous scientist fed his pigeons.

Brooklyn vintners creating world-class wine in a city not known for its vineyards.

Check out the underground party scene at the "Burning Man of Brooklyn."

Discover the taste of mold.