The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

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

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

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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

This kitschy tavern is also home to rare early editions of "Treasure Island."

A statue honoring 44 continuous years of greeting passing ships.

Few other hotels can rival the grandeur of the Castle in the Rockies.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This erect, phallic geological spire wasn't always named so domestically.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Quite simply the largest tree in the world (by volume).

Towering basalt columns, a creation of fire and ice.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

The record holder for the world’s largest peach.

One of the oldest living oak trees in the Southeast.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A colorful square marks the heart of the city's LGBTQ community.