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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Stroll through Welsh history in a village of reconstructed structures.

Obelisks and stone pineapples in the Irish countryside.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Fascinating town where normal life interfaces with the occult.

Seat of the Duke and Duchess of Devonshire for centuries.

Eyam took steps to quarantine themselves and keep the plague from spreading.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

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

The final resting place of soldiers' loyal canine companions.

360° views of the city plus five floors of optical illusions and hands-on science.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

400-year-old garden, restored to beauty.