This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.

This Neolithic passage tomb forms part of a World Heritage Site.

These sculptures were created by a 17th-century artist who had never seen an elephant.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

A double cantilever system bridge that was designed to prevent flood damage.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

A rare and unique example of an 18th-century door latch calls this restaurant home.

Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

This building has survived for more than a century and remains virtually untouched.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This ancient market is often referred to as the oldest shopping mall in the world.

A quartet of brightly colored mythical beasts stand sentry at this gateway.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A museum dedicated to the former country.

Is this cat asleep or just pretending?

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

This charming candle shop has been in business since 1789.

The world's oldest bookshop still in operation.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

One of the smallest bookstores on the planet.

The best place in the world to buy tinned fish.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

Portugal's National Pantheon has a history of curses, collapses and financial problems.