A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

The history of radiation is on safe display at the foot of a radiation science laboratory.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

A museum of magic with a Sadist past.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

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

This coastal cavern is associated with the Hawaiian god of creation.

Hidden behind a YMCA stands the remains of a ceremonial site that dates back hundreds of years, whose ground is still considered sacred to many Hawaiians.

A burial ground for workers at one of Hawai'i's largest sugarcane producers that laid buried for decades.

A unique collection of Western and Japanese-style graves.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

A unique set of caves that spits waves back out into the ocean.

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A home covered with elaborate mosaic and other pieces of art.

The angel of death appears to weep black tears at this grave marker.