The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A sweet symbol marks the place where torturous executions were once carried out.

360° views of the city plus five floors of optical illusions and hands-on science.

The most loyal of little dogs, or a Victorian era publicity stunt?

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A six-ton wedding present for the King of the Scots.

The oldest floral clock in the world still functions today.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

One of only three examples of a stained glass window manufactured by the Tiffany Company in Scotland.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

Andrew Carnegie funded the building of almost 3,000 libraries across the world, this was the first.

The raised stones in the middle of this road through Culross are relics of a 17th-century class divide.

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.

One of the youngest whisky distilleries in Scotland may also be the country’s oldest.

People leave coins atop an unusual grave marker in one of Scotland's oldest burial grounds.

A pair of mosaics marks the spot where the last accused witch of Dundee was put to death.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

This Japanese national treasure was originally built in 593.