Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

A surreal statue honoring Prague's favorite literary son.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

On high feast days, the entire blue-glass front of this modern church opens up to reveal the small wooden church inside.

It's said the devil used this mushroom rock as a table for a late-night meal.

A six-story, asymmetrical tower filled to the brim with scientific experiments.

This statue points to another unusual companion work of art often overlooked by visitors.

Walk through living pictures and music in the Cathedral of Images.

Before the electric telegraph, a chain of stone towers carried messages across France.

A series of bronze circus performers spread throughout a Slovakian shopping center.

A chapel on a volcanic core, marking the end of a successful journey.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

Former bridge turned into an observation tower.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

A huge Megalithic chamber tomb located behind a cafe.

Live-in sculpture begun by one family in 1979.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

This massive blockhead sculpture hides an entire library.

Since ancient times these picturesque springs have been providing bathers with healing waters.