The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

This beautiful train graveyard is one of the largest collections of steam locomotives in the Mediterranean and Europe.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

A seven-ton black granite monument dedicated to the memory of those who died and those who lived through the 1977 crash of the popular Southern rock band.

Minimalist modern art on a repurposed military base in rural Texas.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This memorial pyramid marker honors one of the United States Government's first official camel riders.

Huge otherworldly domed rocks on the shore of a deadly lake.

At this deceptively beautiful beach, nothing is what it seems.

Burping, gurgling geothermal mud pots by the Salton Sea.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

An off-grid art installation that encourages its visitors to imagine a world without waste.

A hand-built folk art installation covered with messages of God's love.

Version of the French Riviera destroyed by the sea.

The ghostly remains of an accidental sea.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

The rusting remains of the largest assembled WWII fleet on the West Coast.

This 19th century train workshop is a treasure trove of railroad history.

Art Deco stylings conceal the true nature of this bridge.

This 19th century hydroelectric powerhouse was the first of its kind.