The oldest church in Iceland is one of the few to feature ornate decoration.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Slum Settlement Filled With Mountains of Garbage.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

There are ongoing efforts to preserve this village, the best known work of Egyptian architect Hasan Fathy.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

Hindu temple of the dead home to hundreds of long-tailed macaques.

This underwater sculpture park is the basis for a manmade coral reef.

Tubing through a cave lit with glowworms is a magical underground experience.

This sheep farm has been forever transformed since being built for “The Hobbit” film series.

A coin-operated washing machine turned jukebox, complete with an outdoor dance floor.

This aluminum “stairway to heaven” has impaled at least a couple of birds.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

This remarkable museum sprung from one of the most important prehistoric archaeological sites in the world.

An Antoni Gaudí masterpiece in Astorga.

This former power station is now a museum dedicated to the region's coal-producing history.

This stop on the Camino de Santiago stands high above the underwater ruins of a medieval town.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

Two gilded cherubs perched on a church bell tower have been reminding visitors of the finitude of life since 1760.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.