London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This elaborate towering structure was once famed for its revolutionary height.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

An enormous and lavish Gothic church in Czechia.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

A Buddhist temple to honor insects that died for science.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

One of Bristol's best-hidden gems has ties to Lord Byron, whence it became the nation's first reformatory school for girls.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

One of England's most famous churches hides a pair of little known architectural treasures.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Countless grotesque faces stare out from this eerie Prague art wall.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This stunning concert hall has become a symbol of Iceland's national recovery.

This Scottish manor house is a lush relic from the life of a literary great.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.