The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

360° views of the city plus five floors of optical illusions and hands-on science.

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

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

A fernery hidden by neglect is uncovered, and an ancient specimen along with it.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

Occult books, tarot, oddities.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The largest self-built castle in the U.S., six decades in the making.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

A charming flea market shop dedicated to retrofuturistic apparati.

Lithuania's outdoor sculpture trail of wooden folk art.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

A historic Montreal market that was the city's agricultural hub for over century.

Two adjoining collections of 19th-20th century physics apparatuses and instruments.

The biggest museum dedicated to insects in North America, one of the largest in the world.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Museum of science fiction, utopias, and extraordinary journeys of the mind.