The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.

This 47-foot chile pepper sculpture welcomes Scoville heat unit obsessed tourists to the Big Chile Inn.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

Constructed by the younger brother of George Washington.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

This plaque celebrates the sister city relationship between Fredricksburg and Fréjus.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

The site of one of the deadliest skirmishes during the Battle of Fredricksburg.

These trees are living witnesses to events that inspired poet Walt Whitman’s service during the American Civil War.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

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

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

A historic ruin just 20 feet away from a busy highway onramp.

Before Nixon, "watergate" meant canals.

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

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

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

Parking garage where Bob Woodward met Watergate source "Deep Throat."

This local mascot has been a presence in the area since the 1960s.

These unusual rooms on wheels are holdovers from the 1960s.

A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.