A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

An Irish Memorial commemorating those who perished due to potato blight.

Step into a pastel time capsule where candy is truly dandy.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Alexander Hamilton’s creation caused quite a bit of controversy.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

Designed to commemorate the founding of the first settlement in Delaware.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

A unique marker erected during the 18th century.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

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

A quick journey through the history of Annapolis.

A touching tribute to a local hero who made sure his neighborhood stayed clean.

This groundbreaking 16th-century map is known as "America's birth certificate."

A throwback to 1980's gaming nostalgia.

This one-room doctor's office has been moved twice, and now lives on as a museum.

The location where the famed author and abolitionist began his journey to freedom.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

The site of one of the deadliest skirmishes during the Battle of Fredricksburg.