A cluttered and astounding collection of antiquities and curiosities.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

A 20-meter (65-foot) robot towers over Tokyo Bay.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The atmospheric road was never meant to be so creepy.

Quite simply the largest tree in the world (by volume).

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Once the most densely populated place in the world, this island is now a ghost town.

The magic's in the hole!

Rising from the sea like a stone monster.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

The middle finger of modernity.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.

Famously misunderstood wonder of the ancient world