A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

An underground world of gorgeous, palatial metro stations designed as a nuclear shelter complex.

The Avenue of Mausolea is a series of grand palatial tombs.

The remains of an ancient city-state along the Silk Road.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

Nicknamed Kazakhstan's Grand Canyon, this natural wonder lies east of Almaty near the Chinese border.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

Once a luxurious flagship of the Soviet Union, this Brutalist structure remains a landmark of Tashkent’s communist past.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

An 18-meter-long sarcophagus of a constantly growing dead prophet.

Controversially restored in the 1970s, this giant 15th-century mosque is shrouded in legend.

This snug medieval lane is one of the narrowest streets in the world.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A natural formation that resembles a camel resting in the New Mexico desert.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

An ode to filmmaker George A. Romero, who used the mall to film an iconic horror movie.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.