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.

These formal gardens were designed to be admired from the vantage point of the castle.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

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

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

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

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

One of Ireland's most infamous prisons for rebels including men, women and children.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The modern birthplace of Irish freedom.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.