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

The glowing blue Nymphaeum of Emperor Tiberius.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Glasgow's own "tipsy" temperance monument.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

A community museum celebrates Glasgow's mighty shipbuilding days.

This small memorial honors a ferocious feline and local hero.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The colorful stairs are made with marble from the world's major quarries.

This mundane post marks the old location of the city's main postal hub.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

This medieval city gate is now a blend of the past and the modern world.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Breathtaking and huge 430 year old maps of Italy.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The final resting place of the Emperor of the United States and Protector of Mexico.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.