The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Megachurch turned Catholic church comprised of 10,000 glass panes.

From a T-rex to a teapot, a cast of artificial fossils illustrates New Mexico's history.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

Northern Ireland's Brobdingnagian stepping stones.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This cheese shop also houses a museum devoted to Dutch dairy.

Museum preserving torture methods from the past.

Roadside collection of 65,000 signs.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.