This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

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

This grand building inspired by classic Islamic architecture is home to a seat of provincial government.

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

Sometimes known as the little Niagara Falls of the Philippines.

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

Iron Butterfly's personal collection of footwear.

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.

A man-made island designed to look like a massive battleship.

A unique beach made of a myriad of multi-sized pebbles.

Smoked mummies housed in mountainside caves.

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

Five miles of underground river link lake to ocean.

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

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

The once-grand remains of this resort are slowly turning into the strange ruins of the future.

A once great mansion stands in stately ruin.

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

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

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

This wondrous waterfall rushing down a green-covered mountain wasn't discovered until 2010.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.