The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A technicolor place of worship for Elevationists.

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

A museum wholly devoted to juvenescence.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

Tucked away amongst townhomes lies a restored, early 20th-century tea house and garden, the only remains of a historic estate.

The commemorative stone column conceals a secret laboratory.

Famously misunderstood wonder of the ancient world

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

This 2,000-year-old tree inspired the nursery rhyme "Rock-a-bye Baby."

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

The broken skateboards that became a poignant memorial to a murdered skater.

A friendly pub with a sordid past in cock fighting.

Traveling collection of amazing automata.

The television series' iconic giant foot was borrowed from this classical painting.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The sign at the garden gate reads: "These Plants Can Kill."

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

The grounds of this Jacobean estate contain one of the oldest mulberry trees in England.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."