A monument celebrating the idea of reaching inaccessible places.

A community of collapsing homes more than a mile out from the Florida coast.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

Where monkeys run wild and the humans are caged.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A tribute to Ponce de Leon's supposed quest for eternal youth.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Town of spiritualists and mediums in Florida.

A mysterious castle built as a monument to lost love.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

One of the deepest blue holes in the world.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

Stroll through Welsh history in a village of reconstructed structures.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

The longest and tallest aqueduct in Britain can actually be sailed across.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

Picturesque ruins once held off mighty armies.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The stately remains of Llywelyn the Great's mighty fortress.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.