This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

Washington's iconic carousel has a nice piece of Civil Rights history.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

Perhaps the most scandalous statue of America's first president.

There’s a hidden military meme engraved on the World War II Memorial.

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

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

A celebrity from the late Cretaceous period.

A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

Superfans of The Shawshank Redemption can take a driving tour of most of the films real locations.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

A hugely vast Irish landscape of barren rock that stretches for miles.

The drama of nature in full effect in this Nevada State Park.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

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

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

Try not to get slimed in Tribeca.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.