The world's longest tunnel with an undersea section.

A magnificent menagerie of oddities, including taxidermy cryptids.

Its tremendous toad is actually a five-story museum and viewing platform.

It would take you approximately an hour and a half to walk to the end of Mexico's largest pier.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

This dazzlingly turquoise mountain lake was created in the wake of a natural disaster.

Critics argue this boab tree has been mislabeled for the sake of dark tourism, undermining its spiritual significance.

A colorful sculpture of an Australian symbol patrols an otherwise ordinary traffic island.

The ruins stand as a somber reminder of France’s worst civil catastrophe of the 20th century.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

This military tunnel dates back to World War II and provides visitors with a little wartime adrenaline.

Hidden deep within a Filipino jungle is an incredible waterfall that plunges into a dazzling blue-green pool.

These mountain hot springs have seen power struggles, doomed romances, and a generalissimo's attempted escape from mutiny.

Beloved children's TV characters freckle the German city's streets.

A meditative walk up 353 stairs leads to a majestic white Buddha overlooking Pai.

In a country where driving from one town to another is literally impossible, this small stretch of gravel is a remarkable feat.

Two ancient Buddhist temples crown this dramatic rocky pinnacle.

An effigy of the deity emerges from a temple's water every 40 years.

An ornate private entrance to the Vienna subway built specifically for the emperor.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.