This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

These structures serve as a memorial to one of Boston’s most ambitious and controversial urban redevelopment projects.

A bizarre example of collective behavior resulted in thousands of shoe prints in Vegas parking lots.

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

Built for a motel, this cartoon dino is now a symbol of the area's paleontological heritage.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

This little slice of old Jerusalem in Oklahoma is the evolution of a century-old passion play.

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

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Visible from both land and sea.

This aluminum “stairway to heaven” has impaled at least a couple of birds.

This beautiful, all-in-one museum, private residence, and bed and breakfast houses a rich collection of African art.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This legendary urban waterfall creates a dazzling display of rainbows.

This black shoreline is made up of exploded lava particles.

In the shadow of the Sydney Opera House, Indigenous ingredients shine.

A mosaic armchair and ottoman built from china broken in the Christchurch earthquakes.

Get your meal delivered via pneumatic at this former post office.

The steep slope known as “Ob Hill” overlooks an Antarctic research station.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

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

This semi-permanent cathedral was built of cardboard, wood, and steel after Christchurch's 2011 earthquake.

A touching tribute to the "Queen of Soul."

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.