This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

The only house in Oregon designed by the famous architect, Frank Lloyd Wright.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Dine like an American revolutionary at Colonial Williamsburg.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

The mysterious image is believed to show Edward Hyde, 3rd Earl of Clarendon, in a beautiful blue dress.

Recovered suit of a cannibalistic West African gang.

This morbid scene depicts the Darwinian drama of death on the African savannah.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Giant marble phalluses on the sacred island of antiquity.

Shakespeare has been brought to life in this open air theater for the better part of a century.

Home of Howard Hughes' Spruce Goose.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Inside this museum, the history of the Walt Disney Family empire is on full display.

Thousands of flowers create enchanting pink tunnels over the city streets.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.