Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

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

Recorded as the first person buried in Arlington Cemetery.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The rogue roots are gradually consuming some of the historic marble grave markers.

This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

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

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

The national park was once a plantation estate.

This Chinese-style quartz sundial was saved in its final hour.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Community bookshelf of 25-foot-tall book spines.

A fitting attraction for the corn capital of the world.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The palatial McDonald's that inspired Wesley Willis.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This replica of the Greek structure is in the heart of Nashville.