The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A historic fort commemorating the United States' naval history.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A military vehicle collection, showcasing how war transportation advanced from horse drawn artillery to self propelled cannons.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

California's oldest wind harp represents a historic piece of America's Danish history.

Four hundred granite steps were built into this massive rock by the National Park Service.

A 19th-century cabin built into a hollowed-out Sequoia tree.

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

This hidden fire lookout offers spectacular views of Sequoia National Park.

A remote crossroads honoring a fallen talent.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

The unbelievably opulent home built for an infamous newspaperman.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

An abandoned boat that's been stranded mysteriously for decades.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Here, visitors can swing with the waves of the Pacific Ocean.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

It's safe—and permitted—to walk across these twin natural sandstone arches.