A collection of housewares from recent Irish history adjoined by a tower from ancient Irish history.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

Huge standing stones mark a site of megalithic mystery.

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

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

This man-made mound monument was built out of soil from all across the Polish empire.

An underground city of salt.

Real bones which are said to have belonged to a Polish dragon.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

An outstanding and haunting glimpse of the horrors of the Great Famine of Ireland.

An 1814 castle that hosts an exhibit of "explorabilia".

Behemoth, cannon-like telescope operated by generations of Irish earls.

Immortal combat in a Moscow museum.

Once the home of a hermetic monk, this cave now houses a small church.

One of Europe's largest supercomputers is housed inside of a disused chapel.

This one-time health resort was used by aristocrats around the world.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A miniature train-ride through Slovenia's largest cave system.

The "dragon babies" of southeastern Europe.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

Museum mostly in name, and only a restaurant depending on the day, this place could only exist in Marfa.

This historic cliffside mansion uses a natural cave for air conditioning.