A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The site of Paul Revere's historic two lantern warning.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The magic's in the hole!

A massive volcanic plug is now a protected area that hosts a number of bird species.

The unbelievably opulent home built for an infamous newspaperman.

Furniture tries to escape an abandoned building in San Francisco.

A modest reminder of treacherous waters at the Golden Gate.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

A winding path built in secret on the edge of the continent.

The oldest Naval cemetery on the West Coast.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

The former Naval shipyard is open for exploring - mostly.

The perfect spot for a picnic, right next to a giant ballistic missile.

The timepiece that exonerated a labor radical accused of a parade bombing that killed ten people.

Come for the records, stay for the retro pinball machines.