The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

This ancient Egyptian obelisk still bears the wounds of World War I.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

The commemorative stone column conceals a secret laboratory.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

This man-made waterfall was designed to help improve access for spawning salmon.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

Hear the quietest sound from across the dome.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Ship-sized kinetic sculptural fantasy.

Catacombs turned marketplace.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."