Hidden in plain sight, this creepy sculpture watches from above.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

This hill is all that remains of Cambridge’s former castle.

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

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

A much-maligned monument to teetotalism.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

A glimpse of the Pacific Northwest‘s indigenous culture in Washington, D.C.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Visit a sweet shop selling one of the first candies ever made and sold in America.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

This sculpture commemorates a naturalist and an illustrator whose work was a forerunner to modern field guides.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

Experience the glam side of air travel without leaving the ground at this speakeasy.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A small collection of objects of a bygone era hide in plain view.