Khmer Rouge's high security prison.

A Singapore shrine to an unnamed German girl who has become a local deity.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

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

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

Relax on your veranda and watch the light show.

A Buddhist theme park brings you a Buddhist version of Hell.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

The most playful of the life-sized statues that make up Singapore's "People of the River."

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

A licentious look into Singapore's past, full of disorderly bric-a-brac and disreputable characters.

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

Singapore's landscaping project is home to 18 incredible Supertrees.

An underground city of salt.

Europe's second largest ossuary wasn't discovered until 2001.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Mummified monks and the accidentally interred, in a 17th-century crypt.

Museum dedicated to the terror regimes of Hungary.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Meet manatees face-to-face at this zoo for native species.