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

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The subtle science of a master molecular gastronomist.

This shop for all your super spy needs hides an educational secret.

A speakeasy takes on Chicago's drinking culture.

The only arched bridge made of stone on the entire Mississippi River.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Every president in history is immortalized in bronze in downtown Rapid City.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Delightful disarray of found objects and clutter.

The magic's in the hole!

A heavenly experience, right here on Terra Firma.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

It's not your typical library, memorial, or book store.

A new kind of theme park for adults off the Las Vegas Strip.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

A hotel and restaurant serving as the mecca of kitsch.

An alley covered with 20 years of bubble gum.