An enormous, inside-out glass globe built in 1935.

An abandoned masterpiece of Soviet Brutalist architecture.

A century-old prison in the heart of Vilnius is now a lively bar, dance club, and artist residency.

This "railway" for boats continues a waterway over a road.

This Toronto garden collects stares and tchotchkes in equal measure.

A miniature representation of Canadian cities and landmarks in incredible—and sometimes hilarious—detail.

One of the largest underground systems runs under Canada's largest urban center.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

These strikingly barren, rolling red hills were caused by bad farming practices.

The sunken structure looks like the victim of a catastrophic flood.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The cluster of igloo-like domes forms the remains of an ancient burial ground.

This airport also offers travelers the chance to view thousands of years of Turkish history.

This living legend of maritime history is enjoying a second life.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

The world's only museum devoted to the wonders of fluorescence.

Cat art as far as the eye can see.

After the band included its number in one of their songs, the box became a monument to the musical group.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

A monument at the site of a decisive battle in the First English Civil War.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

This gravelly, dangerous highway is the only road in the United States that leads to the Arctic Ocean.

In the 1930s, a mysterious murder shook this Northamptonshire village–the identity of the victim remains a mystery to this day.

This abandoned racetrack looks like it is set to hold competitions in the apocalypse.