A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The world's largest fully steerable radio telescope.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

The first American woman to win the Nobel Prize in literature came from the foothills of Appalachia.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

America's post-nuclear-attack chambers of Congress.

This university transit system is a 1970s vision of the future.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This colorful West Virginia cowboy greets passersby with a glassy stare.

The highest point in Maryland is only accessible by hiking through another state.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

A lone grave is quietly tucked away in Kanawha Riflemen's Memorial Park.

This tiny man looms large over downtown Charleston.

This full-sized orange tree lives suspended in mid-air above the streets of Jaffa.

Perched above the bustling town of Kerak is a sprawling, ruinous castle that has witnessed nearly a millennia of Levantine history.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

An ancient octagonal weather station named for the eight Greek gods of wind.

Legend says this sacred tree was a gift from goddess Athena.