The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Community bookshelf of 25-foot-tall book spines.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

Erosion and time have created a naturally-formed water park.

European castle ruins in an American state park are actually the product of death and grief.

Less a museum than a bizarre fantasy world created by artists and engineers.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

Elaborate drama imparts an appreciation for 19th century hardships.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

One of the indelible moments of the American Revolution took place at this location.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.