This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

America's most famous piece of self-built architecture.

The rusting remains of the largest assembled WWII fleet on the West Coast.

This dilapidated ship carcass covered in trees is a striking sight.

A historic structure that once housed pigeons used by farmers to help fertilize farmland.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

This Russian locomotive museum was once devoted just to Lenin's funeral before expanding to encompass Moscow's entire train history.

This massive monument honors the first human in space.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

This magnificent 18th-century hall consists of a maze of nearly a thousand interconnected passages.

This theater opened in 1998, but both the building and the puppeteers who perform there have a distinguished history.

This small museum explores questions of representation, diversity, and identity.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

Charles Babbage's proto-computer, painstakingly brought to life.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

This 1920s Dutch barge is now a floating bookstore.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

An eerie former warehouse turned cistern turned movie set.

This elevator was built in 1907 to connect two neighborhoods separated by a steep, rocky cliff.

This former peat factory was transformed into an observatory before being abandoned once again.

Believed to be the first museum dedicated to the films in the world.

For decades, these ships have been lying in rust awaiting a final decision on their fate.

This hulking behemoth is actually five interconnected towers built in the 1960s.