These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

The fire inside this temple has burned for more than 1,500 years.

An ancient impact crater on the outskirts of Pretoria.

A collection of wonderfully preserved 19th-century creatures, as well as hunting trophies seized during a police raid.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

The world’s tallest outdoor lift stretches along the stone pillars that inspired the floating mountains in the movie “Avatar.”

This building’s ghostly exterior reflects its former lives as a prison, school, and funeral home.

Alaska Natives have lived on this tiny isolated island in the Bering Strait for over 5,000 years.

This giant glowing "beanpole" adds much-needed pops of color to an otherwise drab power plant.

This towering statue of Jesus provided internet to the surrounding area.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

The walls and streets of the ancient city are peppered with penises.

The fading, forgotten remains of a once bright and booming factory.

A father's love for his son has weathered the test of time in this whimsical garden of outsider art.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

This isolated island is often capped by its own fluffy cloud.

A tree planted by Marie Curie is treasured by the Radium institute that she set up.

A small town lost in the mountains of southern Italy hosts the childhood home of one of the most famous saints of the 20th century.