One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

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

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

The "lovely red Vega" of the legendary record-settling pilot.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

A 1st-century Roman aqueduct running straight through a children's playground

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

An old brick section of the original Lincoln Highway in a quiet neighborhood outside of town.

An empty bookshelf commemorates the books which were lost during the infamous event

Some "pardoned" Fallas are kept together and preserved in this museum instead of being burnt

Small-town scandal, transformed into timeless pop art

Arguably the most striking example of street art in Tarragona

This amazing cathedral was built on the site of the first Marian shrine in Spain and is important to Spanish speakers the world over

Remains of the walls of the Roman city named for its founder

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

“Primitivist” style sculptures that emphasize the human body as nature’s highest creation and seek a connection between man, the sea, and the tradition of the Mediterranean.

Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

A centuries-old stone pagoda from Japan stands among cherry trees beside the National Mall Tidal Basin.

This restaurant proudly displays bread signed by the 39th president.

The famous red-and-white Campbell's Soup label beckons hungry passersby in Ohio.

After a battle with Congress, Webb C. Hayes installed the gates of the White House on the fence of his father's Presidential Library and Museum.

Train fans from all over flock to this railroad viewing park where three lines converge.

This unique collection collects pieces of art etched into thin pieces of stone.