The remains of the dam that unleashed a 15-foot wall of water on Denver.

The largest self-built castle in the U.S., six decades in the making.

This small piece of railroad history sits behind the parking lot of a chain grocery store.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

Adobe ruins punctuate the beauty of an 800 foot canyon carved by the Canadian River.

This sensational silver temple is the product of centuries of metalworking.

One of Ayutthaya’s most iconic locations is a mysterious, hauntingly surreal miracle.

Founded during the Ayutthaya era, this unique Buddhist temple remains shipshape to this day.

An eclectic Buddhist temple packed with pop-culture icons.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

The pillars inside this small, ornate shrine hold Bangkok's horoscope within them.

Bangkok's men with dangerous jobs come here in search of protective talismans.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

The bank's whimsical shape was inspired by a child’s toy.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

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

A secluded, little-known temple hidden amid the dense jungle.

A Guinness World Record-holding social enterprise whose shows don't shy away from heavy themes.

A quick and simple solution to Cambodia's train woes.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

More than 100 Hindu temples are slowly being swallowed by the forest.