Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

This historical art colony is adorned with thousands of hand-carved concrete sculptures in the Mayan Revival style.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.

Hidden in the plaza next to a pizza shop is an amazing little oddities shop.

This small beachside park commemorates the possibilities of discovery.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

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

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

Visitors come from all over to bring gifts and tokens to the grave of Alice, who is thought to have died of a broken heart.

A mailbox that saved a nature reserve.

Every drop of D.C. tap water flows through this old waterworks.

A remote horde of architectural treasures fit for Indiana Jones.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

One of the oldest standing structures in Montgomery County, Maryland.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

FDR's Art Deco hospital tower was hopelessly inefficient.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.