Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

"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!”

The 28,000-year-old specimen is remarkably intact.

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

An overlooked memorial honoring the local Washington residents who died in World War I.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

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

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

Look closely and you’ll notice that the color changes a third of the way up the tower.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

This small Catskills village has six independent bookstores and more bookshops than restaurants.

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

A gigantic 10-foot tall stone man.

A castle built for love, and abandoned due to heartbreak.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

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

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.