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

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

This abandoned Abraham Lincoln statue has also earned the honorary of "World's Ugliest."

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

Twice a year, this road is closed off to allow for the migration of thousands of snakes, reptiles and amphibians between cliffs and a swamp.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

A strange rock in Chicago marks the spot where a tree once stood in honor of the 18th President.

An amazing collection of scale model ships.

A collection of 11 million buttons illustrates the human toll of the Holocaust.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

World's second largest particle accelerator, where nature reveals its secrets.

Eclectic collection of rare and beautiful stones in a historic home.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Walk in the footsteps of the famed astronaut at Purdue University.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

The chiseled jaw of this forgotten American hero still stands tall in a small Indiana town.

A large collection of motorbikes with some impressive gems.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.