Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A nondescript Seattle restaurant inherited a piece of European history.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

This former coal gasification plant found a curious second life as a popular public park.

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

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Tiki luxury on Nob Hill.

A small pack of an ancient, hairless breed of dog once believed to guide souls through the underworld lives on its grounds.

This extraordinary art museum is like a secret world on the edge of Mexico City.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

These unusual rooms on wheels are holdovers from the 1960s.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

Four-story concrete hotel never opened to customers.

A trading post in the North Pole where children send letters.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

Gargoyle head that brings good luck.

An ancient knight and a symbol of the city's freedom.

Longest fortress system anywhere in Europe.