At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

A grand Buddhist temple with Indian influences.

This massive section of quay destroyed by an earthquake is preserved to remember the past.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

In 2008, this Mexico City metro station was the site of an hours-long fight between emo, punk, and goth groups.

This stunning and ethereal mural symbolizes the beauty, unity, and diversity of humankind.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

It's believed this golden brick is part of the legendary lost Aztec treasure.

Browse an impressive collection of passenger and military aircraft dating back to World War II.

Grown from a seed that went to the moon!

Enormous photography collection housed in a study center co-founded by Ansel Adams.

Hikers and walkers flock to this historic volcanic butte for its scenic desert views.

Commercial aircraft storage facility, where you can see a TWA 747.

This small hill features the most notable collection of petroglyphs in Saguaro National Park.

Some of the Old West's most notorious outlaws frequented this mining town.

Visitors to this public park will also find the ruins of an old western fort.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

A lingering bit of Space Race nostalgia lies in the middle of the desert.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

A monument commemorating how a frontier town got its unusual name.

The outcropping is graffitied with the name of the beloved musical Muppet television series.