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

This rustic old building is said to be the most photographed barn in America.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Once a year, the ruins of an ancient village come alive with hundreds of glowing farolitos.

The oldest continuously occupied public building in the United States.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

This elaborate towering structure was once famed for its revolutionary height.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Alexander Hamilton’s creation caused quite a bit of controversy.

This 17th-century place of worship still celebrates holidays in the traditional Swedish fashion.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

This historic hotel invented the chocolate brownie.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

Walk in the footsteps of the famed astronaut at Purdue University.

A Fibonnaci spiral model of our solar system.

A hidden canyon deep in the woods of Indiana offers visitors a spectacular experience in nature.

You thought Santa Claus didn't exist, but it turns out you were wrong.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.