One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

The lighthouse is on a island which is connected to another island, which is connected to another island, which is connected to one of the largest islands in the world.

The remains of centuries of copper mining appear like an alien landscape.

A little-known castle set in a nature reserve.

A holy well believed to have healing powers.

This long-distance walking route follows the Prime Meridian line as it passes through England.

This two-towered gateway is all that remains of the unluckiest pier in the world.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

This multicolored meandering masterpiece is Britain's longest bench.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

Founded as a refugee camp, now a popular tourist spot.

Traditional 11th-century outdoor tannery.

The oldest known university in the world is in Fez, Morocco.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

God's Saharan sandbox of wrath.

In this desolate valley resides a gorgeous set of rocks sporting a technicolor design.

Morocco's Argania trees are infested with nut-hungry goats.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

An unusual but excellent display created in the 1930s as propaganda against the Freemasons.

A hidden medieval crypt where a famous legend says the devil used to teach black magic.