A collection of 20th-century automata, penny arcade games, and musical contraptions.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An homage to everyone's favorite prehistoric cartoon family.

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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

One part local history, 99 parts gruesome haunted house.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The most visited, and possibly most controversial, museum in Germany.

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

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

A beautiful geyser under environmental threat.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Its buzzing collection honors vibrator history.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The first declared National Monument in the United States.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Stroll through a wonderland of stupendous moss-covered trees.