Visit this church that's shaped like a giant glass pump either to cater to women or to reference a tragic local tale. Or both.

Two ancient Buddhist temples crown this dramatic rocky pinnacle.

An collection of Chinese propaganda posters from 1949 to 1979.

Khmer Rouge's high security prison.

A small 12th-century temple surrounded by waters believed to have curative properties.

Spend the night inside a two-story elephant villa.

Pettah's beautiful floating market was once a stinky canal in a sketchy industrial area.

An eerie abandoned gentlemen's club built for British officials during the colonial era.

The remains of what was, not so long ago, the world's largest city.

The former Willingdon Airport started operations in 1929, in India's capital, Delhi. Now, it's used for maintenance runs and helicopter rides.

A drinking water fountain in the heart of Mumbai, built by a father in memory of his son.

A city entirely devoted to illegal gun production.

The heartbeat of modern Uzbekistan’s thriving market culture.

Artists and musicians now rule over this former rail station.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

In this tiny Iranian town playing on the roof isn't just encouraged, it's the only place to go.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

17th century mosque for Shah Abbas' harem.

Hydraulic systems in an ancient underground Iranian city.

One of the largest sand dunes in the world is nicknamed the "Scary Mountain" due to its steep slope and sharp incline.