A museum dedicated to a Cold War era sausage.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

This historic observatory contains the world's oldest refracting lens telescope.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

A rare specimen of an iconic extinct animal in downtown Sydney.

Native Australian lizards inhabit this garden celebrating Sydney and its sister city in China.

A monument to the King's final show, complete with a time capsule.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

This Indianapolis landmark offers a secret panoramic view of the city. 

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

This playground sculpture of an icon from the past is dedicated to the children of the future.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A giant cat slowly prowls the parking lot of Zebulon's car dealerships.

A young state senator's deathbed plea to be buried inside a rock resulted in this unusual grave site.

This woodland architectural installation acts as a camera obscura for the heavens.

Art Deco urban decay at this historical building.

In a pedestrian tunnel on North Carolina State’s campus resides an expressive and artistic free-for-all.

A water pumping station disguised as a residential home to assuage concerned neighbors now tricks most passersby.