Where the oil industry began.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

A mailbox that saved a nature reserve.

The uniquely-designed winter home and sculpture studio of Anna and Archer Huntington.

This tiny chapel next to a highway provides weary travelers a place to rest, pray, or maybe even get married.

A swamp that was the site of prehistoric water burials also managed to preserve its corpses for millennia.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

Teddy Roosevelt’s famous “midnight ride to the presidency" started at this small lake high up in the Adirondacks.

The oldest surviving wood-frame building in North America is still in the family.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

A unique music museum housed in a historic Boston theater.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

The sea urchin sculpture is an unusual commemoration of a New England town's seafaring history.

The only tennis court that falls under the jurisdiction of the central bank.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

A quirky collection of outsider art made from automobile parts.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

To honor a beloved Austin radio DJ a neighborhood bridge has been covered in a loving mosaic.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

A luxuriant botanical garden below sea level.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A sprawling maze of used books piled from floor to ceiling.