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.

This might just be the TARDIS of bookstores.

Pennsylvanian mass grave and possibly mass murder.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

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

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Mysterious rocks that ring musically when struck.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

A park full of outsider art, created by college students studying outsider art.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

In which a local geological marvel becomes a quaint roadside attraction.

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

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A forsaken wonder in the middle of the East Side neighborhood.

A little known Colombian theme park of giant curiosities.

An explosion of natural color known as "the river that ran away from paradise."

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

During the holidays, a vintage subway train whisks New Yorkers back in time.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.