This foreboding medieval castle was twice besieged by barons rebelling against the English king.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

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

Believed to be an execution site used by King Arthur after he was embarrassed.

Surreal riveted sea forts once protected the Kent shores from German attack.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Cliffs full of fossils at the portal to England's Jurassic Coast.

A memorial for public executions that dates back to the 14th century.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

How did an Australian statue of the Bard of Avon end up in the Hungarian capital?

One of the best-preserved medieval streets in Europe.

This surreal art house looks like a geometric version of a small chapel.

This sculpture pays homage to Shakespeare and his reference to a Manningtree tradition.

This ancient oak tree sheltered accused "witches" in the 17th century.

A local museum honors the overlooked discoveries of Mary Anning, one of the first professional fossil hunters.

Seat of the Duke and Duchess of Devonshire for centuries.

This black cat was actually designed to ward off bad luck.