Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

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

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

An abandoned stretch of highway, deteriorating next to the operational one.

These ruins are all that remain of what a Spanish barrack that likely housed a quarry overseer, masons, and stone cutters involved in the construction of the Castillo de San Marco.

A local road runs around a memorial to a teenager who died in 1860.

Tucked away in the forests of North Florida resides a 19th-century lighthouse.

These mysterious ruins are hidden amid this sleepy coastal city.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

The bottle house obsession struck a Florida man in his retirement, and now he can't stop building.

This state park was once an important Native American cermonial center.

Off of the Crawfordville Highway in Florida, nature is taking back this decrepit row of Ford trucks.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A Circus legend leaves an unexpected endowment.

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

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