Hang out with thousands of butterflies in one of the world's largest such enclosures.

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

Deep in the Thar desert, a temple crawling with thousands of holy rats.

This metal church may or may not have been designed by Alexandre-Gustave Eiffel.

This towering totem holds the title for the tallest in the world but only according to some.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

This plaza at the end of the world teems with monumental tributes to a problematic history, and laser discs.

The best place to send your postcards home from Antarctica.

This dilapidated ship carcass covered in trees is a striking sight.

Hideout of thieves, monks, and goat-footed gods.

This famous archeological mystery may be an ancient example of movable type.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

The ruined doorway is a portal to the building's turbulent and torturous past.

Where commuters walk through remnants of an ancient Greek necropolis.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Large collection from the 3rd millennium BCE.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

A sharp sculpture made of thousands of pieces of jagged glass.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

An ancient octagonal weather station named for the eight Greek gods of wind.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.