The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

The eccentric mansion of one of the most popular horror authors of modern times.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

World's smallest skyscraper, the product of a remarkable con.

One of the only memorials dedicated to journalists who died in combat.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

These unusual rooms on wheels are holdovers from the 1960s.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

Where pardoned turkeys once spent their all-too-brief final days.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

The only place for a truly presidential dram.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

A former major munitions plant that has been converted into a sprawling art space.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The maritime museum that boasts the largest nautical library in the western hemisphere.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

This pun was simply waiting to come to life, and one defense contractor made it so.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

This sprawling museum holds one man's giant collection of real tanks.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.