"May prick nor purse ne'er fail you."

A site of pagan worship which still attracts people looking for fairies.

This abandoned fort is said to be the most haunted place in India, so much so that entry is prohibited after sunset.

The atmospheric road was never meant to be so creepy.

Said to be one of Sweden's most haunted places, this vicarage once even attracted a ghost-busting priest.

Curious cave that stays a cool 56 degrees all year long.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

This structure among the trees was the result of divine inspiration.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Apartment complexes built into huge repurposed natural gas tanks.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A modern English garden of eccentric beasts, follies, and oddities.

Famed architect Antoni Gaudi built this generous thank you gift to a friendly host who housed him during a job.

Hydraulic systems in an ancient underground Iranian city.

Fantastically decorated underground chambers built in the 1760s.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.