This pebble beach is so beautiful that taking its rocks is against the law.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Where America's first doomsday cult awaited the end of the world.

World's first "penitentiary," meant to be humane, drove men insane.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

A cemetery housing wild west legends in South Dakota.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

An exotic wildlife habitat right off The Strip.

Mine your own precious stones.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The towering figures were created from the cemetery's fallen old-growth trees.

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

It was once the base for a series of domestic terror attacks.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Mining town from the late 1890s, once home to Calamity Jane.