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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Experience a charming 1930s version of "infotainment."

World-famous, Pink's still manages to keep its prized cult fetish status.

Resting place of Hollywood's immortals is also site of summer film screenings.

The ancient tomb acts as a calendar that keeps perfect time.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

A controversial memorial at the place where Captain Cook met his violent end.

This black shoreline is made up of exploded lava particles.

Skyscraper powered by wind turbines attached between its towers.

This Tennessee museum is dedicated to a tragic railroad hero who inspired the famous ballad that bears his name.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

Send a postcard while vacationing with Satan.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

The uniquely-designed winter home and sculpture studio of Anna and Archer Huntington.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The world's tallest statue of an American hero.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

Home to drunken tower-climbing goats... seriously.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.