The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The graffiti-covered ruins of an abandoned trading post in the middle of Navajo Nation.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

A mysterious spirit totem at the edge of Navajo lands.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A quiet marker in memory of local men and women lost in WWI.

This turn of the century masterpiece has a mysterious goaty interloper.

The best place in the park to test out your throwing arm.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

The oldest standing structure in downtown San Diego.

Get fishing gear and craft beer at this restaurant on the pier.

This historic graveyard was partially paved over to create a streetcar line.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

The freeway that never was.

One of the largest trees of its kind in California.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

North America's largest accredited model railroad museum.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A couple turned their front yard into an artistic masterpiece.

Lucha Libre (Mexican Wrestling) themed taco shop.

San Diego's most historic and haunted home.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.