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

A unique music museum housed in a historic Boston theater.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

These fantastically named natural pools look like something out of a Scottish myth.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

This coffee shop lies hidden beneath a historic church.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This aromatherapy shop and mini-museum cofounded by the Sigur Rós frontman documents Icelandic history through scents.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A perfect replica of the beloved show's first set.