Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

The man who wasn't there.

World War II bunker still standing on the New Jersey beach.

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

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

There’s a special club house at the top for the bell ringers.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

A celebrity from the late Cretaceous period.

The most accurate timepiece in the world.

When it comes to handsignals (and colonialism) rock always beats scissors.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

The national park was once a plantation estate.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

An overlooked memorial honoring the local Washington residents who died in World War I.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Washington's iconic carousel has a nice piece of Civil Rights history.

The "lovely red Vega" of the legendary record-settling pilot.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

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

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.