Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

An unusual round church in London with a Templar past.

A cluttered and astounding collection of antiquities and curiosities.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

An emerald-green grotto just a short trip from Austin.

The world's tallest statue of an American hero.

One man's homage to the orange as realized through a long-term folk art labor of love.

Beer lover's can-covered house.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

The most loyal of little dogs, or a Victorian era publicity stunt?