A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

A downtown park built on top of unclaimed graves.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

The bears may be gone, but their old cages can still be found.

Three prestigious academic collections come together to create a world-class natural history museum.

Bouncing, delightful, mechanical art at the MIT Museum.

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

This landmark cemetery in Boston was created more than 300 years ago.

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

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

Official museum, hall of fame, and repository of the Texas Rangers.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

A popular swimming hole that hides one of America's most deadly diving spots.

An emerald-green grotto just a short trip from Austin.

Some islands... they come, they go, especially on Lake Travis.