This sidewalk tribute honors Colorado's great culinary creation.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

A giant Troll lurks under one of Seattle's oldest bridges.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

A reproduction of earth's many biomes.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

A building that survived WWII, possibly on the virtue of its name alone.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

This old-fashioned roadhouse's quirky neon sign is as famous as its enormous dumplings.

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

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

The oldest continuously occupied public building in the United States.

A famed drink seasoned with an amputated toe, now on its tenth digit.

A cemetery full of touching tombstones from a community of railroad workers, uranium miners, and Cold War missile launchers.

A sharp bend in a dramatic river canyon cut through red rocks.