A monument celebrating the idea of reaching inaccessible places.

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

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

Art Deco stylings conceal the true nature of this bridge.

A second generation sun-powered marvel lights up the night.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

The final resting place of a space program monolith.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A large circus museum with summer performances.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

Walk up a ramp through a forest for panoramic views of Lake Michigan.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This former nursery supplied plants for the creation of Chicago's largest park.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Today this bizarre rooftop phone booth seems like a piece of kitsch but it was once used to spot disastrous storms.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

Statue dedicated to the star of an old television show.

At the largest railway museum in the United States, you can see everything from an early steam engine to a functioning Thomas the Tank Engine.