Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

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

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

What's that on the side of that building? Va Va Voom, it's Bettie!

FDR's Art Deco hospital tower was hopelessly inefficient.

Stairs often replace streets on the steep slopes of this old mining town.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A striking 12th-century-style castle built on the edge of a cliff.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The fairy tale castle of the "fairy-tale king."

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

Race through the maze, get your name on the sign.

Leave a button on the jacket of this iconic Seattle clown.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

Old submarine parts have been converted into faux whale fins.