This simple apartment may have inspired some of the most important theories in the history of science.

The famous animator's private station house and man-cave was the birthplace of imagineering.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

An outsider art studio that created a piece of work so popular they had to turn mainstream.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

This 19th century cyclorama acts like an analogue time machine to a different era.

In this century-old literary safehouse, print is alive and well.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

This secret gem of a toy store houses a rideable carousel populated with fantasy animals.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

Three wildly colorful calderas top this otherworldly volcano chain.

This 12,000 year old Iranian cave village has been continuously inhabited for over 3,000 years.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

Once a prosperous mining village, this tiny Taiwanese town is now overrun with cute cats.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

A hollowed-out baobab that became the horrific final resting place of leprosy sufferers, with gruesome evidence to prove it.

In its continuing quest to recreate famous parts of the world in miniature, China now has its own ghost Paris.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

The library of every book lover's dreams.

This unassuming Massachusetts residence was built with a trap door to hide escapees on the Underground Railroad.

She asked for a potato cellar and over the next 23 years he gave her a network of holy caves.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.