Largest lake in Great Britain measured by surface area.

This stately estate house features a tower covered in a bright, modern mural.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A book bound in the skin of an infamous criminal, along with countless other specimens.

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

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Spend the night in this formerly abandoned traditional Scottish village.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

Metro station with a claim to rock n' roll fame.

A fascinating insight into daily life in the Eastern Bloc.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A huge enchanting public park just outside the ancient walls of Rome.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

The final resting place of the poets Shelley and Keats.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.