As the Dead Sea continues to deplete, massive sinkholes open along its banks.

A magical oasis in the middle of the Negev Desert.

A "miracle" that seems to produce more holy fistfights than holy revelations.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

The last place in Bahrain where you can get a custom-made dhow.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Hidden in plain sight, this creepy sculpture watches from above.

The pockmarks across the building's facade are remnants of the Blitz.

Eighteenth-century home, where Herschel discovered the planet Uranus.

Used as an example in one of the first dictionary entries for "museum" in 1706.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

This magical museum celebrates the life and work of a seminal children's book writer (and occasional spy).

One of Europe's oldest libraries.

The ritual has been performed uninterrupted for nearly 700 years.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This luxury shopping lane has been protected by its own tiny police force for over a century.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.