Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

The deadliest diving spot in the world is also a stunning geological marvel.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

A fantastic castle rumored to be the birthplace of King Arthur.

Wooden sleds have replaced donkeys to cart goods around this utterly charming car-free village.

A massive flood devastated this seaside town, causing many to speculate about whether the government had figured out how to influence the weather.

One of the earliest large-scale "hyper" roofs in the U.K. is now a derelict roadside attraction.

Perched above a grotto, this tribute to Mother Nature looks out into the ocean.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Stockholm's narrowest alley is barely over two feet wide.

The widest natural waterfall in Estonia is a sight to see in all seasons.

This stunning limestone waterfall is the highest in Estonia.

Visitors can sit and study the board with this Estonian chess legend and International Grandmaster.

The Guardian of Tallinn.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

The rusting relics of Southampton's former luxurious flying boat industry.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

A ferry has operated across the River Hamble for around 500 years, but its distinctive bubblegum pink is a more recent addition.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

Planes, helicopters, and a shipwreck are underwater in this former limestone quarry.