Who needs fancy modern water slides when this giant North Carolina rock works just as well?

These eerie outliers of the lightning bug family glow a mysterious blue color.

The FBI's urban training course may have the highest fake crime rate in the world.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A Christian-themed amusement park and complex rocked by scandals.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

One of the last active volcanoes on the Eastern seaboard.

These strange large stones served as a campsite and lookout post for generations of Native Americans.

These massive concrete balls were used to mine gold in Virginia.

A historic covered bridge, only one of two remaining in North Carolina.

A mailbox that saved a nature reserve.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

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

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

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

The resting place of a Civil War celebrity's amputated limb.

A Nessie-like monster supposedly lurks in this lake.

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

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

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

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.

A "hospital" where people went to be quarantined, die, and be buried in the yard.