World's largest carved onyx figure stands as a tribute to enduring peace.

An amazing collection of sculptures and art.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A museum celebrating the self-taught artist-environment builder.

A Museum Dedicated to the Heroes That Fight Fire.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

Rivers of cattle blood gone, a strange Escheresque building remains, the last of its kind.

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

Intricate wood carvings on an island in Siberia.

This massive glowering Lenin head gazes out over eastern Siberia.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Back in the tiny USSR.

A motel dedicated to Southwestern nostalgia.

An homage to everyone's favorite prehistoric cartoon family.

An urban laboratory.

These tiny effigies are believed to represent victims of Edinburgh’s notorious Anatomy Murders.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A building so large that it has its own weather.

The world's longest known cave system.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.