The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

The most decorated dog of World War I is preserved in the Smithsonian.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A colorful statue honoring the local salmon in glass and bronze.

Always a new use for this old building.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

This humble American Craftsman home is where the Disney brothers’ animation business took flight in 1923.

Although he donated over 3,000 acres to Los Angles, Griffith's life was marred by controversy.

This grand memorial remembers the 20 members of the Los Angeles Times killed when the office was bombed.

The first all glass and steel residence in the United States.

This sculpture presents commentary on a life in pursuit of profits.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

Church and home-museum of a 1920s female revivalist preacher with a very sordid past.

Rare collectibles from automated musical instruments to 250 unique automobiles.

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.