The palatial McDonald's that inspired Wesley Willis.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

Illegal drag racing two stories beneath Chicago’s streets.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This historic hotel invented the chocolate brownie.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

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

The narrowest house in America is seven feet of pure spite.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The romance of early commercial flight still fills this Art Deco destination.

The national park was once a plantation estate.

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

An overlooked memorial honoring the local Washington residents who died in World War I.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

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

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Housing a morgue, rare and confiscated weapons, and autopsy remains, the Vancouver police museum displays the dark side of Canada.

Perhaps the most scandalous statue of America's first president.

Home to items never before seen by the public.

The most decorated dog of World War I is preserved in the Smithsonian.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

Outsider art meets paleontology at this roadside reptile repository.

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