What do we know about the real woman behind one of the Beatles' most famous songs?

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

These three lighthouses played a fundamental role in the maritime life of Eastham.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Now home to a drinking establishment, this building has a macabre history.

The final resting place of the famous violinist, after his corpse was denied a proper Catholic burial for decades.

The body of an unidentified woman, visible through a glass coffin, was discovered by accident.

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

An allegorical statue of a giant pregnant woman representing justice and truth.

A watercolor recreation of a famous fresco unearthed at Pompeii.

One of Australia's largest secondhand bookstores.

A stone wall commemorates the legend of a ferocious dragon who literally got his butt kicked by a knight.

An old tram depot transformed into a vintage car paradise.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A 2,000-ton rock resting in a state of a delicate balance.

Inside this medieval church resides a unique set of murals.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

Natural time capsule containing an alien ecosystem.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

A breathtaking 19th-century trail overlooks Lake Tahoe.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.