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

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Home to items never before seen by the public.

Home to a protest movement, a bombing, and a dramatic change in labor history.

A daily replay of the experiment that proved the rotation of the Earth.

This elaborate towering structure was once famed for its revolutionary height.

The site where Poe “in great distress, and ... in need of immediate assistance” likely died.

The trials and tribulations of marking Poe’s grave.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Georgia's highest point was given its strange name thanks to a simple translation error.

An eerie site of reverence for those who have completed an epic journey.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

An impressive collection is dedicated to the legendary beast.

This hillside mushroom farm shares land with a Buddhist monastery.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

Paths are maintained, but trees have taken over plots.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

A white oak with property rights.