This innocent-looking townhome is actually a subway exit.

An enormous concrete structure built over a nuclear crater.

A canvas of crops grow from vibrant red soil in this terraced farmland.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Because sometimes the most efficient route from A to B isn't a straight line.

This small group of sand dunes manages to pack in a strange rainbow of colors.

The massive gardens and office of a Brazilian sculptor.

A quaint Russian village in the middle of a German metropolis.

As lake waters recede, a German village reemerges after more than a hundred years.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

A long-disputed island that Denmark and Canada claim by periodically alternating flags and bottles of liquor.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

This uninhabited volcanic island is the most remote in the world.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

The largest self-built castle in the U.S., six decades in the making.

The television series' iconic giant foot was borrowed from this classical painting.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

The underground hideout of a Japanese soldier for whom World War II ended in 1972.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.