The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

America's only nuclear missile silo open to the public.

A magical sanctuary of mythological statuary.

Legend says train robbers stashed their gold within the depths of this unusual cave.

San Francisco's newly reopened hands-on science museum.

Shakespeare has been brought to life in this open air theater for the better part of a century.

Hidden inside a gift shop that doubles as a museum, this gargantuan yo-yo can only be operated by crane.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.