Malaysian fireflies create a dazzling display as thousands light up in unison.

This dangerous-looking suspension bridge may have been too unstable to remain open.

These jagged limestone blades cut out through the canopy of the jungles of Borneo.

One of the largest caverns in the world has a maw large enough to stack cathedrals in.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

Extravagant mosque honors modern Islam.

A lush terraced garden full of thousands of colorful roses and mystical art.

The largest tea plantation in Southeast Asia supplies gorgeous vistas alongside tea for the surrounding countries.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Exotic, erotic, and esoteric, one artist's live-in Bali gallery brings a splash of color and madness to its surroundings.

Hindu temple of the dead home to hundreds of long-tailed macaques.

This fairytale medieval church in Poland originally spent centuries in Norway.