The first declared National Monument in the United States.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

A fitting attraction for the corn capital of the world.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

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

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

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

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

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

An enormous, inside-out glass globe built in 1935.

One Confederate statue that accurately reflects the ugliness of its subject.

This award-winning men's bathroom was just too beautiful to not allow women to see.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Continuing the tradition of the dime museum in style.

This sandstone mansion was the home of two of Oregon's most important pioneers.