Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

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

The rock carving that became an internet meme.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

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.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A stunning silver lining to global warming's gloomy cloud.

An intricately carved Viking church overlooks a glistening fjord.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

Tens of thousands of tiny bottles stuffed with various items.

This handsomely carved wooden church is more than 800 years old.

Home to three historic ships from the age of Vikings.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

A special area of the National Archaeological Museum of Naples is located inside a metro station.

A submerged archeological park still holds the wonders of a Roman Sodom.

The first Italian factory to produce locomotives is now a marvelous museum.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

These "anatomical machines" are only one of the many strange items in this Italian crypt.