Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

This tiny 1930s Art Deco airport is a beautiful remnant of a bygone era.

England's most notorious suicide spot.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

The bronze uniforms commemorate the vital role of women during World War II.

A beautiful but deteriorating monument of Soviet architecture.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

The decaying remains of a once-luxurious Soviet spa town.

You'll find just about anything in this funky Tbilisi flea market.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

This beautiful medieval Serbian monastery is home to frescoes, peculiar sculptures, and historical curiosities.

A museum dedicated to the former country.

A misnamed well, with a deep dark past.

Curious carved stones and bird-like wings are a symbol of Serbian resilience and freedom on the site of a WWII massacre.

Religious perseverance and cultural coexistence manifest in an architectural gem that multiple wars couldn't topple.

This mountain sunrise is one of the most breathtaking views in Thailand, yet well off the tourist trail.

This Underground station has been a popular filming location for decades, even before it closed.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.