A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

A private collection of massive steel monsters guarding a Texas pipe works.

The highest point in Washington state is a volcano covered in glaciers.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

An artist's cute bronze subway sculptures belie his violent artistic past.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

An ancient Egyptian temple in the middle of Madrid, Spain.

The oldest Roman lighthouse still in use.

The remains of an encyclopedic sculpture garden later used as an internment camp.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

The world's tallest statue of an American hero.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Resting place of Hollywood's immortals is also site of summer film screenings.

60 feet of towering steel balances gracefully.