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

This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

The world's largest grapevine has produced a delicious harvest at Hampton Court Palace for almost 250 years.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

At the United Kingdom's only residential library you can sleep among the books.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

This ambitious attraction was the brain child of a lake resort impresario, and built by the WPA.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

This whimsically unique butterfly farm focuses solely on creating habitats for the gentle insects.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

The world's largest banyan tree is followed by a community of worshippers.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.