New York City's smallest piece of private property.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

Meet manatees face-to-face at this zoo for native species.

One of the oldest carousels in the United States is still running in the coastal village of Watch Hill.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

A luxuriant botanical garden below sea level.

The structure has welcomed visitors to this scenic harbor city on Lake Michigan for many decades.

World's largest Christmas store.

Former self-sufficient mental institution now a planned community.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

The idyllic colonial home of the artist behind the famous portraits of George Washington and Thomas Jefferson.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Mansion and shopping center used in the 1975 film "The Stepford Wives."

Look closely and you’ll notice that the color changes a third of the way up the tower.

Where the U.S. government kept its actual treasure, before Fort Knox.