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

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This is one really big nut.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A museum dedicated to the alleged Roswell Incident.

Once a black market electronics marketplace, now an otaku shopper's paradise.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Follow the original medieval paths that wind through this intriguing section of the city.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Perhaps the most scandalous statue of America's first president.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Elvis's own personal tropical hideaway.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Walk the whole Mississippi River!