This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

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

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

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

Whimsical artist house in the New Jersey woods.

Step inside Lucy, the world's largest "elephant."

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

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Giant granite rocks standing end-to-end like a train of circus elephants.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

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

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

This structure among the trees was the result of divine inspiration.