This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

Town not known for anything except its strange name.

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

A museum and apothecary garden devoted to the history of frontier medicine.

Where the U.S. government kept its actual treasure, before Fort Knox.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

A 200-year-old bar is all that remains of one Mississippi River town's rough-and-tumble past.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

One of the best examples of Art Deco architecture in the United States.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

William Faulkner kept his beloved estate wild and untamed.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The homestead of American patriot John Adams.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

Belly up to the bar in Cowtown, don't forget to buy some boots.