Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

A Barbados crypt where it's said that the coffins refuse to stay put.

A giant gun barrel in Barbados that once hoped to shoot outer space with science.

An enormous alien invades Woking, England, as an homage to the H.G. Wells classic 'The War of the Worlds.'

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A Jenga-style cylindrical tower of books that appears to go on forever.

This doorless 20th-century elevator doesn't stop or slow down.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Before the more famous Royal Palace of Caserta, the king of Naples first commissioned this overlooked residence.

This influential Renaissance-era library was once the haunt of kings and monks.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

You can only access this hermitage by crawling under a ledge suspended above an overhang.

Seller of surplus nuclear research materials.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

The debris forms a solemn memorial to those who died in a 1963 accident.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

The rusting remnants of a flying boat lie scattered near the site of its fatal crash.

The wreck of a B-29 Superfortress now stands as a memorial left in the moors.

In the middle of a barren moorland, the remnants of a lost British Space Age stand like a 20th-century Stonehenge.

Built to hold the worst of the worst of the Nazi war prisoners.