The private clubhouse for the members of the Academy of Magical Arts.

A fantastic castle rumored to be the birthplace of King Arthur.

Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Eighty million natural history specimens call this gargantuan museum home.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Pop culture has helped to keep this iconic British building from being destroyed.

An intricately decorated tiny place of worship.