A Buddhist theme park brings you a Buddhist version of Hell.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

Some islands... they come, they go, especially on Lake Travis.

One part antique store, one part curiosities hodge-podge.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

It was once the base for a series of domestic terror attacks.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

Glass and concrete building designed by Albert Kahn.

The world’s largest Masonic temple was saved by the White Stripes.

Standing guard on top of an old, vacant ice cream shop.

A painted-over wall in Detroit originally built to segregate a black community from an adjacent white development.

A Beaux-Arts triumph set to become Ford's innovation campus

Opulent downtown movie theater now houses cars as an indoor parking garage.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This private residence was the template for one of the most beloved television homes of all time.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Tiki luxury on Nob Hill.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A half-size replica of the World Trade Center towers above Tulsa.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

An acoustic anomaly with a mysterious cause.