A giant silver apple a day keeps the perils of capitalism away.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

This one-room cabin where the young colonel slept during the French and Indian War.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

Once damaged by Hurricane Agnes, this bridge is now on the National Register of Historic Places.

An abandoned stretch of highway, deteriorating next to the operational one.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

The site where two doves fell in love.

The shortest river in America flows for just 201 feet.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

Dedicated to a U.S. Army lieutenant colonel who was also a bird watcher and artist.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

This recreation of a 19th-century dime museum is full of oddities.

A state park that once served as an important river crossing, and now offers protected lands for endangered plants and animals.

The ruins of an 18th-century mansion that was once named "Mistake" by the man who had it built.

Historic barracks utilized during both the Revolutionary War and the Civil War.