One of the world's largest model railroads is a mind-boggling achievement.

A glittering Thai Buddhist temple in suburban Pennsylvania.

This giant disembodied horse head seems to balance impossibly on its nose.

A New Jersey state park that was once Napoleon's brother's sprawling estate.

This colonial mansion has been home to a staggering number of American historic figures.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

The way these carnivorous dinosaurs are posed is an homage to a classic work of paleoart.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

A surprising museum of 20th-century technology.

A unique sculpture park that specializes in the huge and bizarre.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

One man's lifelong obsession with death.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

An enormous overgrown greenhouse teeming with graffiti and wildlife.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

One of Gettysburg’s least visited battlefield memorials is off the beaten path, but worth a visit.

The Home and murder site of the witch of Rehmeyers Hollow.

These unique rock formations were created during the Ice Age.