Elevated freight railway turned wildly successful urban park.

This haunting monument honors the victims of 9/11.

These limestone cliffs are associated with the Greek myth of Prometheus.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Inside the world's largest seed bank, WWII botanists elected to starve to death rather than compromise their collection.

This downtown Dallas art installation is always on the lookout.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

Baroque celebration of the end of the Great Plague of Vienna.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

A surreal statue honoring Prague's favorite literary son.

Macabre astrological automaton clock dating to the late 1400s.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A mocking tribute to the past and modern leadership of Prague.

Of course Salvador Dalí lived in a castle...

Designed by Gustave Eiffel before his famed tower.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

Cities of the world and famous Thai monuments in minature.

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.