An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

This museum has a most unusual location: inside a giant, three-headed elephant.

An enormous dragon scales the walls of this 17-story temple.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

Derelict airplane bodies serve as both home and income for three Thai families.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

A secret passageway from World War II is now a quirky pedestrian shortcut.

A memorial to the thousands of political dissidents imprisoned during the 38-year period of martial law in Taiwan.

Taiwan's last Chinese character letterpress preserves the dying art of Chinese character mold making.

Sloth rehabilitation center in the jungle of Costa Rica.