The world's largest single-aperture telescope resides in the Canary Islands.

The two abandoned overpasses are among the largest bridges in Poland.

The beloved fantasy novelist is buried near a church containing a whimsical etched glass window full of Narnia favorites.

Pigduck of Turku.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

A wondrous old library overlooking the nation's capital.

A small granite monument marks where the borders of three countries meet.

A monument to Poland's famous alleged UFO abduction case.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

This man-made mound monument was built out of soil from all across the Polish empire.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

Europe's largest collection of matchbox designs is a fascinating exploration of the cultural history of the world.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

This castle has links to Portugal’s founding and struggles for independence.

The best place in the world to buy tinned fish.

Houses are tucked between, on, and underneath giant boulders.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.