The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The world's largest military aircraft cemetery.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Some 10,000 works of ancient rock art cover these volcanic basalt outcrops near the Gila River.

A UFO scrapyard in the California desert.

Huge otherworldly domed rocks on the shore of a deadly lake.

At this deceptively beautiful beach, nothing is what it seems.

This historic tower in the California desert promises visitors a "vortex of good vibes".

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.

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

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Mysterious rocks that ring musically when struck.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.