A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

The beauty of urban decay, hiding some dark secrets.

If astronomy had a ghost, it would look like this observatory.

These cabins mark the site where our 11th president was born (probably).

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

The oldest surviving presidential residence in the United States.

Alexander Hamilton’s creation caused quite a bit of controversy.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This elaborate towering structure was once famed for its revolutionary height.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The world’s first penitentiary, meant to be humane, drove men insane.

The remains of one of the last mining camps developed on the New River.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

Built in 1785, this residence is the oldest stone house in Georgia.

An ornate Buddhist temple located in an Atlanta suburb, built by and for the Laotian community.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.