A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A downtown park built on top of unclaimed graves.

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

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

This castle was once considered as an option for the Royal Family's alternate residence, but you may know it better from the 'X-Men' movie.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

Swiss vineyards in a UNESCO heritage site.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Statue commemorating the use of ether in anesthesia.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The Boston square dedicated to the dark poet who was born nearby.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

This impressive Boston holy house is the American mecca for Christian scientists.