The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

A little Lady Liberty stands in the Norway town where the copper for the real thing came from.

Art becomes an enchanting part of the environment at this wooded sculpture park.

Norway's national monument to fallen seamen.

What might look like a cliffside sacrificial altar at first glance is actually a stone compass pointing to cities and lighthouses all around the world.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Walk behind a 50-meter-high waterfall.

An intricately carved Viking church overlooks a glistening fjord.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Thousands of miniature bronze sculptures have taken over this city square creating a unique art installation.

The last fully functional fortress of Germany's World War II Atlantikwall.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A lush indoor jungle fills this bustling Madrid transportation hub.