This swanky speakeasy is Denver’s oldest bar—and hasn’t changed a bit since 1933.

Take a self-guided tour through one of Colorado's most elevated mining districts.

This natural spring is the winter home to the largest gathering of manatees in the world.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

A unique arch graces the Dolores River Canyon near the Hanging Flume.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Spectacular views await visitors to this lake.

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

The hallucinogenic center of the ancient world.

Monasteries on rock pillars, once accessible only by frayed ropes.

An overlooked memorial honoring the local Washington residents who died in World War I.

A historic freight system that found the true gold rush is in tourism.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

Rumor had it that these concrete crosses scattered across the Arizona scrubland helped align spy satellites. (They didn’t.)

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Stairs often replace streets on the steep slopes of this old mining town.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

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