This Gothic-style church is reputedly built atop the remains of one of Jesus's apostles.

World's tallest monolithic statue has served as a pilgrimage site since its completion in 993 CE.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

Eternal flame said to be a Hindu Goddesses fiery tounge.

A towering work of stone and philosophy that was constructed using ancient Hindu science.

15 monolithic temples emulate an eroding sand castle.

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

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

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

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

A complex of six forts embedded in the Rajasthan hills.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

A cluttered and astounding collection of antiquities and curiosities.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The anatomical-pathological collection of a man who changed surgery.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

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