This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

Large Hadron Collider and the Birthplace of World Wide Web.

Perhaps the most scandalous statue of America's first president.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Home to items never before seen by the public.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

Visitors to this library are in for a real-world education in modernist architecture.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The first American department store, and home to the largest operating musical instrument in the world.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Free public park and gardens filled with peacocks and peahens.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Continuing the tradition of the dime museum in style.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Hindu temple of the dead home to hundreds of long-tailed macaques.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.