A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

The ceiling of this vintage movie palace is covered in fantastic Art Deco murals.

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

The oldest still-operating tavern in the United States was once owned by a pirate.

This sprawling bookstore spans four floors and has more than a million books in stock.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

The largest self-built castle in the U.S., six decades in the making.

This sidewalk tribute honors Colorado's great culinary creation.

This Chinese-style quartz sundial was saved in its final hour.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

This museum offers an actual time machine back through Colorado's past.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

A technicolor place of worship for Elevationists.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

This beautiful architectural gem was the first waste treatment facility in Boston.

This historic Boston building has gone from personal estate to porn theater and back again.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

Shelves covered in dozens of coffee bean varieties fill this North End institution.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.