The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

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

'Cause the fence start shaking, the earth was quaking.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

At 207 feet, one of the world's longest continuous escalators.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

A monument celebrating the idea of reaching inaccessible places.

The center of the only hemisphere that awards visitors with a commemorative coin.

Two massive rock outcroppings on the Oregon coastline.

This pebble beach is so beautiful that taking its rocks is against the law.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

Sniff the Titan Arum's rotting flesh.

From Japan to Italy, this California park explores the world's cultures through their gardens.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A multimedia experience that chronicles the atrocities of racism.

Avoid gangster interaction while window-shopping.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.