A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

Once America's longest-manned military fort, now an abandoned hulk.

This abandoned Belgian fortress is purposefully being left to nature.

“You better take care of me Lord, if you don't you're gonna have me on your hands.” ― Hunter S. Thompson, Fear and Loathing in Las Vegas.

The king of U.S. high points towers over every other peak on the continent.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

A controversial memorial at the place where Captain Cook met his violent end.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

An ancient city exhumed from the depths of the ocean.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

A world of whimsy and wonder aboard a one of a kind historic landmark vessel.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

This WWII plane died a quiet death, and is now a garden eel playground.

This tiny patch of arid sand sits in one of the greenest states in the United States.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

The modern birthplace of Irish freedom.

Townhouse facade doubles as an RMS Titanic Memorial.

The world's northernmost aquarium looks like it has fallen over.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

One philanthropist's extensive collection of knick-knacks and curiosities is now a public museum of oddity.