One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

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

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

Europe's largest natural bridge has a 19th century royal chateau built into its side.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An Italian vineyard invites religious pilgrims to stop by 24/7 to get their drink on, for free.

The humble horn finally finds a place in the sun.

Every color in the rainbow awaits.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

Large Hadron Collider and the Birthplace of World Wide Web.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This innocent-looking townhome is actually a subway exit.

A canvas of crops grow from vibrant red soil in this terraced farmland.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This picturesque mansion has gone from opulent ruin to nature museum.

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

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Natural cathedral designed by Italian artist Giuliano Mauri.