Ruins from the Parthenon and petrified wood line the interior of one of the world's most famous monuments.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

It may be a historic 17th-century coaching inn, but the George Inn still functions like a modern pub.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

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

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

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

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

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

The national park was once a plantation estate.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.