The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

Once a year, at exactly 11:11 a.m., this monument comes to life.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

A sanctuary for sickly, stray, or wounded donkeys.

The colonial city's social history is reflected in its fanciful door knockers.

More than 700 species live within this murky marvel of a swamp on California's coast.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Pieces of a stone giant are embedded in the earth of this Colorado park's playground.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.

This distinctive snowfield on the slopes of a Colorado fourteener has several legendary origin stories.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

London’s first road overpass is so old that it was originally built for horse-drawn carriages.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

The now-serene site of the largest earthquake ever recorded in North America.

Pay homage to a preeminent matriarch, and the native Dena’ina people, at this sculpture installation in Anchorage.

This Alaska library may be the only one in the country that allows you to check out pieces of taxidermy.

Internationally recognized group that works to protect the wolf and educate the public about its plight.

See a full-scale whale skeleton and experience the captivating culture of Alaska’s Native people at this heritage center in east Anchorage.