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

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

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

The ancient latrines of the Greeks, in all their public glory.

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

This legendary city has been a tourist attraction for centuries.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Historic medieval fortified city in southwest France.

Haunting and beautiful trees, doomed to die.

Former laboratory of radical psychiatrist Wilhelm Reich.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

An antique cemetery in New York, this land is home to any number of famed corpses.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

The mansion home of author Edith Wharton.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

"A hideous albatross in the Hudson River Valley."

The oldest continuously inhabited street in America.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The Hudson River School comes alive at this palatial estate.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

An eccentric playboy's astounding natural history collection.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.