World's largest magnetic research facility.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

Memorial built in 1922 in remembrance of WWI casualties.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Location of a reliquary containing bone fragments of 18 saints.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

Natural cathedral designed by Italian artist Giuliano Mauri.

Ancient church constructed with a special wood that preserves prints from the past.