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

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

The spot where the two men ate together now stands enclosed in glass.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

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

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

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

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A shrine built to combat the bad karma of a commercial venture.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.