Constructed during the 7th century this is one of the oldest largely intact Christian churches in England.

The oldest church in Serbia was also the ecclesiastical seat of the region during the Middle Ages.

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

This nearly abandoned "company town" is a ghost of Puerto Rico's once-lucrative sugar industry.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

Years of neglect and nature took a toll on this 19th-century lighthouse.

The oldest surviving botanic garden in the United States.

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

This historic lighthouse has been reincarnated as the perfect picnic place.

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

This huge ship ran aground and has simply been left to sit there ever since.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

This Costa Rican topiary park is a surreal garden of unearthly delights.

This Quebec estate is home to the elaborate gardens of a self-taught horticulturist.

This unique temple complex remains off the typical tourist trail.

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

An underwater city for the dead.

Located within a historic park, the beacon is the oldest standing structure in Miami.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.