This national landmark is also home to a massive treehouse.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

A local prank turned town icon.

This jail which was in service for over a century is now open for curious visitors.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

A field of nothing but boulders which resembles a giant's gravel driveway.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

The oldest farmer's market in America is so ancient it was approved by the King of England.

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

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

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

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

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

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Vintage cars and motorcycles race for glory in a throwback motorsport celebration on the Jersey shore.

One of the oldest surviving bars in the United States, located at the site of the last skirmish of the American Revolution.

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

A "Bugseum" dedicated to all things insect-related resides behind a pest control company.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.