The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The ruins of this long-abandoned unsuccessful gold mine can still be found.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A sculpture of a salmon swimming through a brick building.

A lavender labyrinth so large it’s visible on Google Earth.

A hot dog stand where the heads are just as hot as the dogs.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

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

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Half of a house.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

A monument celebrating the idea of reaching inaccessible places.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

This zombie-themed restaurant stands out in the heart of corn country.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

One of the American Southwest's most extensive collections of Navajo rock art.

This beautiful grotto is one of those places where you can't believe you're just outside Austin.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

The king of U.S. high points towers over every other peak on the continent.

A fake town founded by Western movie stars is now becoming a hip desert community.