One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This glamorous old building is said to have inspired the Tower of Terror.

A modern mechanical planetary system, part of a 10,000 year clock.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A faux European lane smack dab in downtown L.A.

The highest bridge in America was built for an almost unnervingly small amount of money.

A reproduction of earth's many biomes.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A hotel and restaurant serving as the mecca of kitsch.

San Francisco's newly reopened hands-on science museum.

Tour the sci-fi-esque reality of governmental disease management.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The ghostly remains of an accidental sea.

A library of rare occult books in Los Angeles.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A one-of-a-kind collection of a unique medium.

Here, at the “world’s longest art gallery,” you’ll find forty miles of ancient petroglyphs and pictographs.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.