This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The home of the first American-born saint is one of the only curved buildings in New York.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

There aren't too many operational funiculars around, but Pittsburgh has two!

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

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

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

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

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

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The oldest continuously operating fish market in the United States.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

A statue honoring 44 continuous years of greeting passing ships.

This two-room shotgun shack in Tupelo is the birthplace of a King.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.