This colorful gate stands as an entrance to the walled city of Old San Juan.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The world's brightest bioluminescent bay.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

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

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Found: Garden of Eden in Miami-Dade County, Florida.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

An eclectic treasure trove of maritime marvels.

This Florida resort community is where the Amish come to have fun in the sun.

Electrical pylon in the shape of Disney's beloved mouse.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

The highway's southernmost spot is a beloved local attraction.

"We Seceded Where Others Failed."

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

A Circus legend leaves an unexpected endowment.

A monument celebrating the idea of reaching inaccessible places.

A luxuriant botanical garden below sea level.

Where monkeys run wild and the humans are caged.

"The Reptile Man's" very own roadside zoo features an albino alligator.

Leave a button on the jacket of this iconic Seattle clown.