An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

This rare polygonal meeting house is rumored to be built in a circle so that the devil has nowhere to hide.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

A historic bridge with a lovely acoustic anomaly.

The Burnside Fountain and its questionable interpretation.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

A restored historic movie theater is the perfect place for a regional film archive.

Largest institutional collection of tomb figures from Western Mexico in the United States.

The eccentric mansion of one the most popular horror authors of modern times.

This eclectic natural history collection holds everything from a bit of the trans-atlantic cable to Hemingway's marlin.

This Maine bridge may be the last wire-supported bridge of its type in the world.

World War II bunker still standing on the New Jersey beach.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

Whimsical artist house in the New Jersey woods.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.