World's largest cave was only discovered in 1991, and now offers tours to the public.

This massive Roman Catholic rosary is composed entirely of wood.

This Philippine island is dotted with (fake) Grecian ruins.

The crypt under this cemetery's chapel was used as a meeting place by Filipino revolutionaries.

This burial cave houses around 100 ancient coffins, neatly stacked to form a massive wall.

Just off the road outside Baguio, a gigantic lion's head carved into a mountain greets those driving by.

A 50-foot-tall statue of Jesus where a stairway transports the faithful into his body.

Nearly 100 concrete graves lie hidden just beyond the pristine waters along the coast.

This belfry is all that remains of the town that was buried by a violent volcano eruption.

This eerie abandoned building with a dark history is said to be one of the most haunted places in the Philippines.

Smoked mummies housed in mountainside caves.

Hidden deep within a Filipino jungle is an incredible waterfall that plunges into a dazzling blue-green pool.

The ruins on a deserted tropical island in the Philippines bear the scars of WWII.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

The abandoned medieval theme park was meant to be the "Disneyland of the Philippines."

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.