One dedicated priest constructed this beautiful stone grotto by hand from 1926-1933.

A massive playground in the woods of Germany.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

A statue of a Scottish cultural icon in central Sydney.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

The Laureates here get something even more coveted than a Nobel Prize: free parking for life.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

Sit at the "Disney table,” where Walt and his team of "imagineers" once dined on the regular.

This 15th-century structure had a long, tortuous journey to its current location.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

This Roman relic was discovered in Scotland by a mudlarking ferryman.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

A six-ton wedding present for the King of the Scots.

This early version of the guillotine was used to execute the man responsible for its construction.

A sweet symbol marks the place where torturous executions were once carried out.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A hugely vast Irish landscape of barren rock that stretches for miles.

A stunning Victorian abbey and walled garden on a lakefront.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.