The world's most active stratovolcano is almost always erupting.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

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

This is the oldest Roman-made bridge in the city still existing in its original state.

The world's largest frame offers spectacular views of the city's past and present.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

A lush oasis full of vibrant plants and striking geometric displays.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Napoleon's childhood home is now open for people to explore the beginnings of France's short general.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Gladiators once walked this ancient, subterranean passage.

Legend says this sacred tree was a gift from goddess Athena.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.