A toweringly silly piece of modern art has been delighting locals since the 1980s.

When flour explodes, it's not a pretty sight.

The dishes at this restaurant by The Sioux Chef celebrate indigenous heritage.

Each of these 87 large stones has a unique message. Together, they form part of the Minnesota Military Family Tribute.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A downtown park built on top of unclaimed graves.

A mural and a few historical markers commemorate Denver's once-thriving Chinatown, which was obliterated in a racist riot.

In a small Japanese garden off a busy Denver street, a memorial to a brave, principled politician.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

There's something big lurking beneath the surface of this tiny Oregon park.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A collection of colorful dinosaurs hidden in an actual rainforest.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

This massive redwood tree has a hole in the base big enough to drive through.

An optical illusion found amid a logged redwood forest.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A series of vibrant murals celebrate the culture and community of Oakland.

This small, unassuming street is now a canvas for color and creativity.

Known to backpackers as the "Steps of Doom," this walkway carved into the side of a seaside cliff leads to the Roman Tombs.

Semi-recognized center of the world, with many oddities.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The design of this ornately decorated place of worship closely mirrors a church in Vietnam.