This mechanical wonder towers above a river in Michigan's capital city.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Most-visited and most-photographed slot canyon in the American Southwest.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A museum chronicling pioneer life constructed over Interstate 80.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Legend says this sacred tree was a gift from goddess Athena.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

These caves secretly held national treasures during World War II.

The ruined doorway is a portal to the building's turbulent and torturous past.

An ancient octagonal weather station named for the eight Greek gods of wind.

These curious caverns have been home to mushrooms, gangsters, and disco.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

An architecturally-focused antique shop.

A warehouse for all of your architectural details.

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

One of two giant blue cockerel statues erected with an intentional double meaning.

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