The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Secret refuge and museum of the Duke of Florence.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The middle finger of modernity.

Statue commemorating the use of ether in anesthesia.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

This landmark cemetery in Boston was created more than 300 years ago.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The famous winding walk at Chartres is surrounded in mystery and myth.

One of England's most famous churches hides a pair of little known architectural treasures.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

Eighteenth-century home, where Herschel discovered the planet Uranus.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

The Liverpool street made famous by the Beatles is real.

The quiet field that inspired one of the most famous songs of all time.

The largest stone circle in the world has ended up bringing up more questions than it has answered.