Elevated freight railway turned wildly successful urban park.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Yo, Adrian!

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

A natural formation that resembles a camel resting in the New Mexico desert.

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

A whale of a public art display towers atop Juneau's cruise ship dock.

One toy collector's legacy of hundreds of unique items includes the most diverse display of northern indigenous dolls.

Often mistaken for an office building, inside this venue is an amazing collection of Native Alaskan art.

This shrine to the patron saint of Alaska sits on a small tidal island and was built from the land’s own beach stones.

The ruins of this Alaska gold mine form a gorgeous ghost town.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.