At least 14 twice-retired ships were sunk to make a lovely rusting breakwater in Comox Harbour.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This protected area in Lake Huron contains some of the world’s best-preserved shipwrecks.

This haunting ghost ship stands beached in the waters off the coast of the Falkland Islands.

No one knows who built this strange cave of worship or exactly why.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

Two women with a flair for both adventure and artful clutter created this singular round home.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

This massive underground salt mine now holds a sci-fi theme park in its depths.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The remains of a medieval wall discovered in the basement of a jewelry store.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

Packed to the ceiling with antique taxidermy and hunting arms.

The so-called "Richest Village In China" is either a model Communist town or a dystopian sham.

The ancient ruins of an extinguished city amidst the bustle of a modern one.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.