The final resting place of Harriet Tubman and other famous historical figures.

A historic home with ties to the abolition and suffrage movements.

The library of every book lover's dreams.

Pluto is still considered a planet in Ithaca, New York.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

In the mid-19th century, an eight-sided house was the latest fad.

Curtiss is a forgotten figure in the early history of flight.

An abandoned asylum where patients have been forgotten but their possessions remain.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

This former Cold War missile control site played an important role in the creation of GPS.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

One of the oldest train stations still standing in Virginia played a vital role during the Civil War.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

A graveyard that dates back over 200 years stands near a busy shopping center.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

A whopping 14,000 copper coins cover this miniature fighter jet.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

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

This museum sits on the site of a decommissioned military communications base.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

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

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

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.