This hidden garden boasts amazing views of Lyon.

Monsters and miniatures are held in equal esteem at this wondrous museum.

An art world insider finds himself battling for his artistic home.

Nicknamed "Karri Knight," this Eucalyptus was planted in 1895 and stands at 72 meters.

Ghostly ship drawings grace the walls of this medieval hospital.

This architectural beauty is the home to a personal collection of more than 600 examples of mechanical musical instruments.

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

Known to backpackers as the "Steps of Doom," this walkway carved into the side of a seaside cliff leads to the Roman Tombs.

Local authorities nearly destroyed this mural before a viral video rallied international support to save it.

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

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

North Africa's first museum of its kind preserves the culture of Moroccan women and their artistic achievements. 

One of the most easily accessible examples of the rare 1960s UFO houses.

The footprint of a frustrated devil in Munich's Cathedral.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

A fearsome dragon clings to a corner of Munich's city hall.

A serious museum dedicated to two German comedians.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

This colossal hiking boot, once built for a scout jamboree, serves as an observation tower and barbecue area.

This rural Australian restaurant claims to be the only restaurant in the world to be built almost entirely of sea shells.

A futuristic, brutalist masterpiece that is also strangely prison-like.

A series of waterfalls create the illusion of perpetual rainfall in this hidden gorge.

A museum dedicated to secret surveillance.