The charred, dead skeleton of an oak tree is said to have consoled a dying 16th-century Italian poet.

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

Among the busts of heroes of the Roman Republic of 1849, there is also a statue of a boy and his dog.

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

Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A bulky, ancient stupa marks the site of Siddhartha Gautama's seminal Buddhist teaching.

Old Tudor home moved on thick iron rails to a new spot.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

This medieval castle was reconstructed by Carlo Scarpa.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

A unique, eye-catching statue that carries an important message of hope.

A tiny island home to a former English slave fort.

These elaborate gothic monuments honor Verona's medieval lords.

To commemorate a century of gold mining, this Australian city built a monument that features a replica of a 150-pound gold nugget found there in 1858.

A tomb in this cemetery holds soil from every country in Latin America.

An imposing statue of the first prime minister of Antigua and Barbuda stands in the middle of a traffic intersection.

This outdoor museum harkens back to the height of the gold rush.

This igneous rock monolith towers above the surrounding landscape just outside the Nigerian capital.

This underpass became an unlikely piece of cinematic history after its appearance in 'A Clockwork Orange.'

Climb to the top of its spiral spire for spectacular views of Copenhagen.

This inn of the court provides a fascinating window into London’s legal and architectural history.

This massive Maya archaeological site is home to the tallest man-made structure in Belize.