This massive roadside mascot was the first version of the giant to illustrate his butt.

Two massive rock outcroppings on the Oregon coastline.

D.C. once had its own tiny rival to the New York Stock Exchange.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

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

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

This poor little statue is the most vandalized memorial in Washington.

The only female equestrian statue in Washington, D.C. is a 15th-century French heroine.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

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.

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

Decades before the scandal, this staircase on the river was a literal "water gate."

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

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

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Enormous lake at the bottom of a unique cave system.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

The watery grave of an impractical idea.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.