A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

This empty Detroit high school was too expensive to maintain or destroy.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This Ecuadorian cemetery is home to a jaw-dropping topiary wonderland.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Countless grotesque faces stare out from this eerie Prague art wall.

Read a book next to a Midtown waterfall.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A terrific purveyor of natural history objects and curios.