This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

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

These lush botanical gardens employ the most purrfect pest control force.

This might just be the TARDIS of bookstores.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

A toxic ghost town sitting atop a massive coal fire.

Mysterious rocks that ring musically when struck.

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 failed piece of Orientalism has become the proud symbol of a community.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

A whimsical monument deep in this park commemorates the groups that helped build it.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

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

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

St. Augustine's record-setting narrow street was designed to protect against pirates.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

A tribute to Ponce de Leon's supposed quest for eternal youth.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

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

An overlooked memorial honoring the local Washington residents who died in World War I.