This chimerical bridge/tunnel appears to dead end right into the sea.

Beach instrument turned bed and breakfast.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

This collection of historical artifacts and tropical wildlife waits just beneath the surface of the water.

Cavernous opening completely encased in Karst limestone.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

An imposing statue of the first prime minister of Antigua and Barbuda stands in the middle of a traffic intersection.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

Most-visited and most-photographed slot canyon in the American Southwest.

A sharp bend in a dramatic river canyon cut through red rocks.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This historic national park is covered in the stunning ruins of red rock pueblos.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A spiritual vortex among the red rocks in Sedona.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

An ancient mineral hot spring sits at the middle of this combination cultural center and spa.

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

At the western edge of Palm Springs, a rugged desert canyon trail leads to a waterfall at the base of the San Jacinto Mountains.

Traversing these canyons, visitors can take in stunning views and glimpses of the region's history.