This remarkably intact, 260-year-old cargo ship is only visible at the lowest of spring tides.

This Georgian architectural masterpiece is the only cloth hall left in Britain.

This tallest folly in the world began its life as an elaborate factory chimney.

A copy of the brutal decapitation device that predated the French Guillotine by about 200 years.

Hundreds of hidden passageways weave through the old quarters of Lyon.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

This two-towered gateway is all that remains of the unluckiest pier in the world.

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

The only medieval bridge in Britain with its defensive tower still in tact.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

This museum is claimed to be the largest museum in the world dedicated to the emergency services

One of three sites in England that house the National Collection of Arms and Armour.

One of these two land speed record-breaking vehicles went so fast it shattered the sound barrier.

Modern commuters still pass through this 2,000-year-old Roman archway.

In 1190 one of the worst anti-Semitic massacres of the Middle Ages took place in a wooden tower which previously occupied this site in York.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Tiki luxury on Nob Hill.