Giant stone letters dedicated to the founder of Armenia's alphabet.

One man’s collection of photography books has transformed into a charming exhibition space.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

Huge stairway leads to this massive gallery.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.

The luxurious circular mansion built for a Communist leader now lies abandoned.

Men and special assistants stand by the road to sell the day's catch in this lakeside village.

The final resting place of the world's first nuclear reactor.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Legends surround an ancient tree trunk riddled with nails for good luck.

A spherical "micro-nation" in the heart of Vienna.

One of the most notable figures in the Wurstelprater’s history is often assumed to be a fictional character.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Designed as a reminder of one of the darkest moments in Austrian history.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

This large garden vase urn has nothing to do with the seventh U.S. President—it was designed by one landscape designer to honor another landscape designer's contributions to the National Mall.

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

The only female equestrian statue in Washington, D.C. is a 15th-century French heroine.