Two stone columns flank the grand Venice square, but there were supposed to be three.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

A home that witnessed Civil War combat on the Sunken Road has the battle scars to prove it.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

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14th century Norse artifacts in Northwestern Minnesota could have proved a Viking landing before Columbus.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

The tomb of history's greatest potato promoter is surrounded by tubers.

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

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

This abandoned 19th century orphanage started as a boarding school for children of Civil War veterans.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

All that remains of the once-booming chain is a single orange-roofed restaurant.

Of all the unique artifacts inside this library, a mummified hand stands out among the others.

The walls and streets of the ancient city are peppered with penises.

An incredibly well-preserved piece of ninth-century Viking poop.