A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Rippling sand dunes frozen in the Arizona rock.

Dramatic river bend surrounds a natural red-rocked pedestal.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

A fiery crater has been burning in the Karakum Desert since 1971.

The ruins of an ancient Zoroastrian Tower of Silence believed to be the earliest example of the traditional funerary practice.

A reproduction of earth's many biomes.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Former island in the Aral Sea used to be a top-secret Russian bio-weapons facility.

A kaleidoscopic warehouse-maze of handmade neon signs.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The world's largest military aircraft cemetery.

The ghosts of Britain's telecommunication past sit rusting away in a small village in England.

Native Americans built this circle of stones, which was used to predict astronomical events.

According to fictional Kcymaerxthaereal history, a powerful woman with a voice whose beauty could not be concealed found solace at this site at the Majestic Hotel in Singapore.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A former French military respite turned jungle tourism hotspot.

An abandoned Cambodian resort that mirrored the downfall of the country as it was happening.

Highly unusual subterranean stupa and adjacent cave monastery.

The Avenue of Mausolea is a series of grand palatial tombs.

Norway's national monument to fallen seamen.

Once the scene of a young boy's home in revolt, this Norwegian island is now home to the world's first "ecological" prison.

What might look like a cliffside sacrificial altar at first glance is actually a stone compass pointing to cities and lighthouses all around the world.