A retired tobacco farmer's pet project turned into a sturdy miniature city.

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

Four-story concrete hotel never opened to customers.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

A suburban street in Anchorage doubles as a runway, and each home has its own airplane hangar.

Siberian husky that delivered a life-saving antitoxin.

In California, colorful roadside signs remind us all that love transcends borders.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

Considered by many to be one of the most dangerous highways in Alaska.

Colorful boxes placed over the dead are left to rot and crumble.

Home to items never before seen by the public.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

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

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.