Historic home of America's sweetheart sharpshooter, Annie Oakley.

The FBI's urban training course may have the highest fake crime rate in the world.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

A converted hangar displays dozens of helicopters, from a famous 1943 rescue chopper to several autogyros.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

In the early 1800s, surgery was also a show.

This public space is speckled with the eerie remnants of a defunct amusement park.

A beautiful oddities shop crammed with strange and morbid curiosities.

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

Brain collection and database that narrows the gap between man and animal.

A priceless collection of the Nation's cryptologic history.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

A Civil War Museum with some notable medical antiques.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An astounding collection of medical specimens, including bits of President Lincoln.