A park to honor all U.S. Armed Forces veterans, and Emporia's status as the founding city of Veterans Day.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.

One of the largest Native American shell middens stands 30 feet tall.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

These mysterious ruins are hidden amid this sleepy coastal city.

An aviation relic that made coast-to-coast travel possible.

A local road runs around a memorial to a teenager who died in 1860.

Mariners once used this prehistoric landfill as a navigational landmark.

Measuring approximately 200 feet long, Swampy is the world's largest alligator-shaped building.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

The middle finger of modernity.

The oldest house in Washington, D.C. wasn't originally constructed in the nation's capital.

A public art jibe at one of the United States’ oldest and longest-serving senators.

A terrace reminiscent of Rome's Spanish Steps is tucked away in a little park in Washington, D.C.

A diminutive memorial marks the site of a successful assassination by a right-wing death squad in America's capital.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

A small park honors the legendary Ukrainian poet.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.