One of the most spectacular canyons in the world.

The world's largest concentrated solar power plant.

God's Saharan sandbox of wrath.

A fortified city, home to a remaining population of five families

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

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

In a lighthouse by a vanished sea stands a museum for a man who never existed.

A concrete plant shaped like four giant soldiers commemorates one of the most decisive battles of the Napoleonic Wars.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

This old medieval prison tower has been a site of astronomical research for more than 250 years.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

The oldest botanical garden in the world that technically isn't the oldest.

One of the largest squares in Europe contains an entire artificial island.

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

Once an ancient Roman bath, now a hotbed of geothermal energy and a hub for energetic innovations.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.