A set of outdoor stairs named in honor of a famous Austrian artist.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

This free series of exhibitions honors the fascinating history of the region.

Executions were once held near this beautiful 18th-century fountain.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.

Dedicated to the man who created the first radio wave communication system.

This restored house built from a Sears kit in the 1930s is a physical remnant of FDR's New Deal following the Great Depression.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

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.