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

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.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

This colorful New Orleans bookstore features rare and used titles, with a specialty in Cajun fare.

To find the "unicorns of the deep" you've got to go downstairs.

This historic hotel invented the chocolate brownie.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A Kansas nature preserve protecting the plants and animals that once stretched across central North America.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

The homestead of American patriot John Adams.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Stone markers on the campus of Gallaudet University commemorate a peculiar school tradition.

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

The rogue roots are gradually consuming some of the historic marble grave markers.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.