Oldest building in California still in use.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Experience a charming 1930's version of "infotainment."

World-famous, Pink's still manages to keep its prized cult fetish status.

One part local history, 99 parts gruesome haunted house.

The hallucinogenic center of the ancient world.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Ornate limestone building now filled with geologic specimens, and more.

A motel dedicated to Southwestern nostalgia.

A hotel and restaurant serving as the mecca of kitsch.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

This one has sailed five times as far as Sir Francis Drake's famous ship.

The fairy tale castle of the "fairy-tale king."

A small but immensely extravagant palace built by the "Night King."

Go surfing on this urban wave, "hacked" by local surfers.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A marvel of Byzantine engineering under the streets of Istanbul.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Where commuters walk through remnants of an ancient Greek necropolis.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Breathtaking and huge 430 year old maps of Italy.