Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

You can enjoy a (possibly haunted) stay at the medieval Norman castle that was once a favorite hunting lodge of King John.

A 200-year-old prison that now houses a peculiar crime museum.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

The shape of this old salt factory complex was inspired by the course of the Sun.

One of the world's most complex timepieces.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

This unassuming farm complex was once the epicenter of an underground liberation group.

The home of Mahatma Gandhi during part of the 21 years he spent living in South Africa is now a guest house.

Artifacts showcasing the witchy history of Zambia.

The petrified remains of 150-million-year-old trees can be seen in and among the houses of the local villagers.

The stunningly blue waters of these beautiful caves also have a violent past.

Structure built from the skulls of vanquished foes.

A celebration of once forgotten materials.