One of Ayutthaya’s most iconic locations is a mysterious, hauntingly surreal miracle.

The golden Buddha statue at the Wat Muang Monastery is the tallest in Thailand, and the ninth-tallest in the world.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

Steepest flood safety railway in the entire world.

Memorializing an American tragedy of massive proportions.

The best way to get a sneak peek at the movies.

Could it have picked a better place to land?

There aren't too many operational funiculars around, but Pittsburgh has two!

This public park was the site of the largest civilian disaster of the Civil War.

The absurd creation is a compulsory destination for selfies in Buffalo.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

Nature's biggest mammal swims in landlocked Oklahoma.

This steamer is known as "The ship that built Cleveland."

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

A clear blue swimming hole with hidden caves, still unexplored.

The palatial McDonald's that inspired Wesley Willis.

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

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

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

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.