Washington's iconic carousel has a nice piece of Civil Rights history.

Decades before the scandal, this staircase on the river was a literal "water gate."

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

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

A former major munitions plant that has been converted into a sprawling art space.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Elevated freight railway turned wildly successful urban park.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

This 19th century granite fortification is one of the most well preserved forts in New England.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.

Maine’s only official memorial to the Underground Railroad.

Abraham Lincoln's vice president took his last breath here on July 4, 1891.

Largest institutional collection of tomb figures from Western Mexico in the United States.

A roadside park in eastern Maine first marked the halfway point between the equator and North Pole with a brass pin in 1896.

Built for television, this statue now serves as an unlikely memorial to a fireman who died on 9/11.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

Brussels' favorite peeing boy has a sister.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Once one of the largest producers of pig iron in the world.

The eccentric mansion of one the most popular horror authors of modern times.