An underground city of salt.

A small museum full of giant effigies of Bali's demons and monsters.

A haunting theme park is slowly being swallowed by the jungle.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

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

A gray market run by Burmese Indians offers a portal to a forgotten period in history.

The painted and decorated towers of this Hindu shrine were once the tallest structures in one of the oldest cities in India.

15 monolithic temples emulate an eroding sand castle.

The octagonal tower at this important Buddhist site was added many years after the temple's initial construction.

A bulky, ancient stupa marks the site of Siddhartha Gautama's seminal Buddhist teaching.

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

An eighth-century rock-cut cave temple in the middle of Pune.

A magnificent work of architecture designed to honor a former military leader.

This basalt temple in the center of Pune was built more than 250 years ago.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

A church dedicated to the Mexican skeleton saint.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

With the touch of a button, you can read a randomly selected short story.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.