The final resting place of the poets Shelley and Keats.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

A collection of objects supposedly singed by the hands of souls in purgatory.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Dr Barnes' $25 billion private collection of art and arboretum.

A unique sculpture park that specializes in the huge and bizarre.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

An aptly-named street near the birthplace of the modern LGBT rights movement.

New York City's only radical feminist independent bookstore.

Relics given to a Manhattan church to avoid seizure by the Italian government.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

Fifteen Jodhpur queens left their handprints before going to their fiery death.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.