Afghanistan's first skatepark, located in war torn Kabul.

This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

This century-old ruined temple was reborn as "The Church of Skate."

This recycled wax museum may be the only one that features John Travolta in a Bible scene.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Rare collection of medieval books under lock and key.

Temple complex that once housed the famous statue of Nike.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A small chapel celebrating the spiritual bond between dogs and humans.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

120 mortarless pagodas built by one Korean hermit.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A cave covered with bizarre stalactites of cloth.

An underground city of salt.

Native Americans built this circle of stones, which was used to predict astronomical events.

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

This black church sits alone among a field of lava rock.

The oldest church in Iceland is one of the few to feature ornate decoration.