Outsider art meets paleontology at this roadside reptile repository.

This abandoned amusement park was built on a site with a dark history.

This North Carolina grave is the final resting place of the world's most famous conjoined twins.

Conjoined twins Daisy and Violet Hilton were stars of the vaudeville circuit.

This vast kitty-themed collection illustrates the history of human-cat interaction.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

A collection of items from a way of life that no longer exists.

Moss and stone turn this waterfall into an otherworldly liquid veil.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This massive underground salt mine now holds a sci-fi theme park in its depths.

This picturesque mansion has gone from opulent ruin to nature museum.

Once the most densely populated place in the world, this island is now a ghost town.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Abandoned Nazi train station turned underground astroparticle laboratory.

The remains of diamond fever taken over by the desert.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

A very classy 1920s-era bar right in Grand Central Station.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.