This ancient Egyptian obelisk still bears the wounds of World War I.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

The bronze uniforms commemorate the vital role of women during World War II.

One of America's founding fathers lived in this London lodging between 1757 and 1775.

Scattered throughout London are ancient remnants of the city's former bounding wall.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A hands-off space for graffiti artists to hone and display their skills.

The system of air guns are fired off remotely to scare any trespassing avians.

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

Recorded as the first person buried in Arlington Cemetery.

The rogue roots are gradually consuming some of the historic marble grave markers.

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

Home to items never before seen by the public.

The oldest continuously operating fish market in the United States.

Look closely and you’ll notice that the color changes a third of the way up the tower.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

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

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

Remnants of a forgotten ballpark where legend and infamy intersect.

Two groundbreaking brothers from Pasadena.

The American Home, Re-imagined.

One of Hollywood’s favorite government buildings.