This plaque marks the site where the penultimate chapter in the journey of two doomed boys unfolded in an imagined parallel universe.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A replica that won't float away.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

This one-woman cemetery was a small civil rights victory.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

Baptisms in troughs and post-sermon rodeos at the world's biggest cowboy church.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

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

A temple devoted to inner esoteric mysteries located in a California commercial strip.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.