Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

A 168-foot tower, part of the abandoned Chester Leadworks facility.

Each year a new straw behemoth is born.

Picturesque ruins once held off mighty armies.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

The most visited, and possibly most controversial, museum in Germany.

Historic medieval fortified city in southwest France.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The oldest known university in the world is in Fez, Morocco.

The other side is actually green.

Crumbling necropolis set high above Fez.

Traditional 11th-century outdoor tannery.

Pilgrimage site for star-crossed lovers.

Go inside to really appreciate this 500-year-old technological masterpiece.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A boiling wellspring flowing with natural gas burns in a continual blaze.

Ancient rock-cut tomb? Definitely. That of a great Median king? Unlikely.

The surviving pieces of an ancient aqueduct that may have fed into the lost Hanging Gardens of Babylon.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.