Archaeological sites and great food inside the island's largest mangrove forest.

These barriers stand as stark reminders of Northern Ireland's troubled past.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

A little-known hot spring haven right below the highway.

Take a dip in the world's largest mineral hot springs pool.

Even in death, he's still your huckleberry.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

Featured in one of the most iconic scenes in cinema history.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

The shortest river in America flows for just 201 feet.