Once home to a Scottish baronet, this 18th-century historic house doubles as a legendary art space.

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

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

This sculpture commemorates Edinburgh's sister city and their respective celebrity dogs.

This series of Scottish caves has no clear purpose other than baffling historians.

The largest timber structure in Europe.

A famous pilgrimage site that remains hidden in the midst of a city.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

This sculpture commemorates a naturalist and an illustrator whose work was a forerunner to modern field guides.

The first museum in the United Kingdom dedicated to this woodwind instrument.

A rocky outcrop where monks hid their most holy relic while escaping Danish invaders.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

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

This zoological museum began as the first great curiosity cabinet.

An extraordinary collection of 18th century anatomical waxworks.

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

The fountain marks the area where hundreds of accused witches were burned at the stake.

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

These ruins witnessed the final gathering of the failed Jacobite Rebellion.