A computer bug so primitive it was an actual insect.

An institution dedicated to the towering buildings that make up skylines in New York City and around the world.

Learn about the last river many crossed to find freedom from slavery in the United States.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

The only remaining piece of hull of the most decorated US ship of WWII is this giant name plate.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

It's a unique monument honoring a great character who inspired a generation of young women to be more and pursue their dreams.

A 21-foot-tall statue of a miner made of scrap metal stands in this West Virginia coal town.

A giant time capsule not scheduled to be cored until 2040.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

This abandoned sea fort has become an accidental bird sanctuary.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

Explore the legends surrounding these mythical sea creatures inside this museum.

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

This free, take-a-book shop seems like a trick but isn't.

A whopping 14,000 copper coins cover this miniature fighter jet.

This museum sits on the site of a decommissioned military communications base.

America's first federal monument.