Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

World War II bunker still standing on the New Jersey beach.

The land is home to swimming ponies and a legendary 18th-century treasure.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

All that's left of the quintessential "cabin in the woods."

Crumbling ruins mark the site of a couple's grisly murder in the woods.

Ruins of a Carnegie family mansion on Cumberland Island.

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

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

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

Florida castle built with aluminum printing plates.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

Jacksonville's highways rendered this century-old grammar school unusable.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

A mysterious drive-in nestled in the forest that leaves little to the imagination.

One of the best examples of Art Deco architecture in the United States.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

This abandoned subway station can still be seen on regular commuter trips.