Bizarre lunar-like landscape with thousands of large stone "hoodoos."

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

A brick-paved former section of the historic coast-to-coast highway.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

An abandoned canal route lies hidden under the streets of Manchester.

This lone tower casts an outstretched shadow over the site of a once-wealthy Knights Templar preceptory.

This unusual gravestone was crafted for cricket lover and master bat maker William Oates Sykes.

In this small cemetery lies the grave of one of England's greatest football strikers, who died too soon.

A distinctive sculpture honors those killed and injured during a mineworkers strike in 1893.

This unique sculpture of a steelworker is hidden amid the trees of Sheffield.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

Walk into an underground archeological dig, the site of the Roman Forum that was once the center of Valencia.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

A motel dedicated to Southwestern nostalgia.

A unique museum where guests can rent and operate a locomotive.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

A red brick monolith is all that remains of New England’s first commercial brickyard.

This hidden natural fountain issues forth a steady supply of supposedly healing water that tastes like rotten eggs.