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

This single room has survived the centuries with almost no deterioration.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

Amsterdam's Red Light District leaves little to the imagination.

Baroque celebration of the end of the Great Plague of Vienna.

The final resting place for the remains of 143 Habsburg royalty.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

A whimsical Renaissance fountain sculpture from Florence, world-renowned for defying convention.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Discovered in a peat bog, these horned helms come from a thousand years before the Viking Age.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

You can still walk across this beautiful medieval bridge in Andorra.

The best place for scenic views of the DMZ and North Korea.

The final resting place of 19th-century sailors previously banned from being buried within Portuguese Macau.

These post boxes from a bygone era have been the source of controversy and debate.

Tour the sci-fi-esque reality of governmental disease management.

World War II-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers.

This balancing rock is one of Utah's most unusual geological formations.

Only ruined buildings and abandoned charcoal kilns remain of this once bustling Wild West boom town.

Largest man-made excavation on earth!

The location where the iconic movie character declared it was time to go home.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.