Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

A multi-storied adobe complex has been inhabited for more than a thousand years.

The headquarters of the famous Yale society.

Go inside to really appreciate this 500-year-old technological masterpiece.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

This giant temperature attraction created some giant electric bills.

This is one really big nut.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

Opulent downtown movie theater now houses cars as an indoor parking garage.

Concrete strongholds stand guard over the Golden Gate.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The ghostly remains of an accidental sea.

The world's largest military aircraft cemetery.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.