This church is known as "The Home Church of George Washington and George Mason."

The former home of the man whose radical ideas changed the nation.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

Headquarters of the legendary clairvoyant's readings, spiritual hospital, and massage school.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The eerie ruins of a remote abandoned hamlet said to be founded by the survivors of a shipwreck.

One of the last active volcanoes on the Eastern seaboard.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

This historic mansion was built as a symbol of love between a husband and wife.

The gutted remains of this Estonian mansion are a monument to a tragic love.

The only museum outside of Australia dedicated to exhibiting the artwork of Indigenous Australian artists.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Exact replica of the ancient monument, but much, much lighter.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

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

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

Obscure Freemasons still live in D.C.’s largest private residence.