Named for the biblical warrior, the largest castle in Israel actually dates to the Middle Ages.

The Dead Sea Scrolls were discovered in the ruins of this ancient monastic community.

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

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

A hotel with a rich Wild West history of miners and bootleggers.

The highway's southernmost spot is a beloved local attraction.

Alexander Hamilton’s creation caused quite a bit of controversy.

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

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

When it comes to handsignals (and colonialism) rock always beats scissors.

The most accurate timepiece in the world.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

A shining, cold, black organ lies in San Francisco's financial district.

A natural formation that resembles a camel resting in the New Mexico desert.

A curious building honoring past and current members of a historic musical comedy troupe.

Mysterious rocks that ring musically when struck.

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

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

The land is home to swimming ponies and a legendary 18th-century treasure.