A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

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

The Tudor-style cottage in the middle of the square is not quite what it seems.

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

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

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

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

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

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This poor little statue is the most vandalized memorial in Washington.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The national park was once a plantation estate.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

A much-maligned monument to teetotalism.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

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

Decades before the scandal, this staircase on the river was a literal "water gate."