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

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.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

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

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

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

Yo, Adrian!

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

World Trade Center memorial likened to a woman's sexual organ.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The summit Roosevelt conquered before he descended to become The Chief.

The highest point in Montana is as rugged and singular as the state itself.

The only road through the heart of Glacier National Park.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Largest man-made excavation on earth!

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Visitors to this library are in for a real-world education in modernist architecture.

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.