These stark white cliffs were spat up by the sea and are slowly being retaken by it.

England's most notorious suicide spot.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The ancient tomb acts as a calendar that keeps perfect time.

A symbolic graveyard for the villages that perished during the Nazi invasion of Belarus.

This giant dish located in a sheep paddock was the primary receiver of Apollo 11 TV transmissions.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Final resting place for hundreds of prisoners of war.

An incredible garden taking over the interior of a massive sinkhole.

Three-story concrete ram with a permanent gift shop.

This massive water spout has been luring visitors for hundreds of years, some to their death.

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

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Tubing through a cave lit with glowworms is a magical underground experience.

The largest collection of Indigenous Australian artifacts in the world, and the rare museum where wood-and-glass cabinets have trumped interactive exhibits.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A clear example of the process of erosion in action.

Australia's first open air museum and antique 3D theater.

Giant lamp houses the tourism information center.

Once the path of a railway tunnel, now home to thousands of glowing insects.